1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation. Oracle designates this
7 * particular file as subject to the "Classpath" exception as provided
8 * by Oracle in the LICENSE file that accompanied this code.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 // This file is available under and governed by the GNU General Public
26 // License version 2 only, as published by the Free Software Foundation.
27 // However, the following notice accompanied the original version of this
28 // file:
29 //
30 //---------------------------------------------------------------------------------
31 //
32 // Little Color Management System
33 // Copyright (c) 1998-2020 Marti Maria Saguer
34 //
35 // Permission is hereby granted, free of charge, to any person obtaining
36 // a copy of this software and associated documentation files (the "Software"),
37 // to deal in the Software without restriction, including without limitation
38 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
39 // and/or sell copies of the Software, and to permit persons to whom the Software
40 // is furnished to do so, subject to the following conditions:
41 //
42 // The above copyright notice and this permission notice shall be included in
43 // all copies or substantial portions of the Software.
44 //
45 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
46 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
47 // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
48 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
49 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
50 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
51 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
52 //
53 //---------------------------------------------------------------------------------
54 //
55
56 #include "lcms2_internal.h"
57
58
59 // IT8.7 / CGATS.17-200x handling -----------------------------------------------------------------------------
60
61
62 #define MAXID 128 // Max length of identifier
63 #define MAXSTR 1024 // Max length of string
64 #define MAXTABLES 255 // Max Number of tables in a single stream
65 #define MAXINCLUDE 20 // Max number of nested includes
66
67 #define DEFAULT_DBL_FORMAT "%.10g" // Double formatting
68
69 #ifdef CMS_IS_WINDOWS_
70 # include <io.h>
71 # define DIR_CHAR '\\'
72 #else
73 # define DIR_CHAR '/'
74 #endif
75
76
77 // Symbols
78 typedef enum {
79
80 SUNDEFINED,
81 SINUM, // Integer
82 SDNUM, // Real
83 SIDENT, // Identifier
84 SSTRING, // string
85 SCOMMENT, // comment
86 SEOLN, // End of line
87 SEOF, // End of stream
88 SSYNERROR, // Syntax error found on stream
89
90 // Keywords
91
92 SBEGIN_DATA,
93 SBEGIN_DATA_FORMAT,
94 SEND_DATA,
95 SEND_DATA_FORMAT,
96 SKEYWORD,
97 SDATA_FORMAT_ID,
98 SINCLUDE
99
100 } SYMBOL;
101
102
103 // How to write the value
104 typedef enum {
105
106 WRITE_UNCOOKED,
107 WRITE_STRINGIFY,
108 WRITE_HEXADECIMAL,
109 WRITE_BINARY,
110 WRITE_PAIR
111
112 } WRITEMODE;
113
114 // Linked list of variable names
115 typedef struct _KeyVal {
116
117 struct _KeyVal* Next;
118 char* Keyword; // Name of variable
119 struct _KeyVal* NextSubkey; // If key is a dictionary, points to the next item
120 char* Subkey; // If key is a dictionary, points to the subkey name
121 char* Value; // Points to value
122 WRITEMODE WriteAs; // How to write the value
123
124 } KEYVALUE;
125
126
127 // Linked list of memory chunks (Memory sink)
128 typedef struct _OwnedMem {
129
130 struct _OwnedMem* Next;
131 void * Ptr; // Point to value
132
133 } OWNEDMEM;
134
135 // Suballocator
136 typedef struct _SubAllocator {
137
138 cmsUInt8Number* Block;
139 cmsUInt32Number BlockSize;
140 cmsUInt32Number Used;
141
142 } SUBALLOCATOR;
143
144 // Table. Each individual table can hold properties and rows & cols
145 typedef struct _Table {
146
147 char SheetType[MAXSTR]; // The first row of the IT8 (the type)
148
149 int nSamples, nPatches; // Cols, Rows
150 int SampleID; // Pos of ID
151
152 KEYVALUE* HeaderList; // The properties
153
154 char** DataFormat; // The binary stream descriptor
155 char** Data; // The binary stream
156
157 } TABLE;
158
159 // File stream being parsed
160 typedef struct _FileContext {
161 char FileName[cmsMAX_PATH]; // File name if being read from file
162 FILE* Stream; // File stream or NULL if holded in memory
163 } FILECTX;
164
165 // This struct hold all information about an open IT8 handler.
166 typedef struct {
167
168
169 cmsUInt32Number TablesCount; // How many tables in this stream
170 cmsUInt32Number nTable; // The actual table
171
172 TABLE Tab[MAXTABLES];
173
174 // Memory management
175 OWNEDMEM* MemorySink; // The storage backend
176 SUBALLOCATOR Allocator; // String suballocator -- just to keep it fast
177
178 // Parser state machine
179 SYMBOL sy; // Current symbol
180 int ch; // Current character
181
182 cmsInt32Number inum; // integer value
183 cmsFloat64Number dnum; // real value
184
185 char id[MAXID]; // identifier
186 char str[MAXSTR]; // string
187
188 // Allowed keywords & datasets. They have visibility on whole stream
189 KEYVALUE* ValidKeywords;
190 KEYVALUE* ValidSampleID;
191
192 char* Source; // Points to loc. being parsed
193 cmsInt32Number lineno; // line counter for error reporting
194
195 FILECTX* FileStack[MAXINCLUDE]; // Stack of files being parsed
196 cmsInt32Number IncludeSP; // Include Stack Pointer
197
198 char* MemoryBlock; // The stream if holded in memory
199
200 char DoubleFormatter[MAXID];// Printf-like 'cmsFloat64Number' formatter
201
202 cmsContext ContextID; // The threading context
203
204 } cmsIT8;
205
206
207 // The stream for save operations
208 typedef struct {
209
210 FILE* stream; // For save-to-file behaviour
211
212 cmsUInt8Number* Base;
213 cmsUInt8Number* Ptr; // For save-to-mem behaviour
214 cmsUInt32Number Used;
215 cmsUInt32Number Max;
216
217 } SAVESTREAM;
218
219
220 // ------------------------------------------------------ cmsIT8 parsing routines
221
222
223 // A keyword
224 typedef struct {
225
226 const char *id;
227 SYMBOL sy;
228
229 } KEYWORD;
230
231 // The keyword->symbol translation table. Sorting is required.
232 static const KEYWORD TabKeys[] = {
233
234 {"$INCLUDE", SINCLUDE}, // This is an extension!
235 {".INCLUDE", SINCLUDE}, // This is an extension!
236
237 {"BEGIN_DATA", SBEGIN_DATA },
238 {"BEGIN_DATA_FORMAT", SBEGIN_DATA_FORMAT },
239 {"DATA_FORMAT_IDENTIFIER", SDATA_FORMAT_ID},
240 {"END_DATA", SEND_DATA},
241 {"END_DATA_FORMAT", SEND_DATA_FORMAT},
242 {"KEYWORD", SKEYWORD}
243 };
244
245 #define NUMKEYS (sizeof(TabKeys)/sizeof(KEYWORD))
246
247 // Predefined properties
248
249 // A property
250 typedef struct {
251 const char *id; // The identifier
252 WRITEMODE as; // How is supposed to be written
253 } PROPERTY;
254
255 static PROPERTY PredefinedProperties[] = {
256
257 {"NUMBER_OF_FIELDS", WRITE_UNCOOKED}, // Required - NUMBER OF FIELDS
258 {"NUMBER_OF_SETS", WRITE_UNCOOKED}, // Required - NUMBER OF SETS
259 {"ORIGINATOR", WRITE_STRINGIFY}, // Required - Identifies the specific system, organization or individual that created the data file.
260 {"FILE_DESCRIPTOR", WRITE_STRINGIFY}, // Required - Describes the purpose or contents of the data file.
261 {"CREATED", WRITE_STRINGIFY}, // Required - Indicates date of creation of the data file.
262 {"DESCRIPTOR", WRITE_STRINGIFY}, // Required - Describes the purpose or contents of the data file.
263 {"DIFFUSE_GEOMETRY", WRITE_STRINGIFY}, // The diffuse geometry used. Allowed values are "sphere" or "opal".
264 {"MANUFACTURER", WRITE_STRINGIFY},
265 {"MANUFACTURE", WRITE_STRINGIFY}, // Some broken Fuji targets does store this value
266 {"PROD_DATE", WRITE_STRINGIFY}, // Identifies year and month of production of the target in the form yyyy:mm.
267 {"SERIAL", WRITE_STRINGIFY}, // Uniquely identifies individual physical target.
268
269 {"MATERIAL", WRITE_STRINGIFY}, // Identifies the material on which the target was produced using a code
270 // uniquely identifying th e material. This is intend ed to be used for IT8.7
271 // physical targets only (i.e . IT8.7/1 a nd IT8.7/2).
272
273 {"INSTRUMENTATION", WRITE_STRINGIFY}, // Used to report the specific instrumentation used (manufacturer and
274 // model number) to generate the data reported. This data will often
275 // provide more information about the particular data collected than an
276 // extensive list of specific details. This is particularly important for
277 // spectral data or data derived from spectrophotometry.
278
279 {"MEASUREMENT_SOURCE", WRITE_STRINGIFY}, // Illumination used for spectral measurements. This data helps provide
280 // a guide to the potential for issues of paper fluorescence, etc.
281
282 {"PRINT_CONDITIONS", WRITE_STRINGIFY}, // Used to define the characteristics of the printed sheet being reported.
283 // Where standard conditions have been defined (e.g., SWOP at nominal)
284 // named conditions may suffice. Otherwise, detailed information is
285 // needed.
286
287 {"SAMPLE_BACKING", WRITE_STRINGIFY}, // Identifies the backing material used behind the sample during
288 // measurement. Allowed values are "black", "white", or {"na".
289
290 {"CHISQ_DOF", WRITE_STRINGIFY}, // Degrees of freedom associated with the Chi squared statistic
291 // below properties are new in recent specs:
292
293 {"MEASUREMENT_GEOMETRY", WRITE_STRINGIFY}, // The type of measurement, either reflection or transmission, should be indicated
294 // along with details of the geometry and the aperture size and shape. For example,
295 // for transmission measurements it is important to identify 0/diffuse, diffuse/0,
296 // opal or integrating sphere, etc. For reflection it is important to identify 0/45,
297 // 45/0, sphere (specular included or excluded), etc.
298
299 {"FILTER", WRITE_STRINGIFY}, // Identifies the use of physical filter(s) during measurement. Typically used to
300 // denote the use of filters such as none, D65, Red, Green or Blue.
301
302 {"POLARIZATION", WRITE_STRINGIFY}, // Identifies the use of a physical polarization filter during measurement. Allowed
303 // values are {"yes", "white", "none" or "na".
304
305 {"WEIGHTING_FUNCTION", WRITE_PAIR}, // Indicates such functions as: the CIE standard observer functions used in the
306 // calculation of various data parameters (2 degree and 10 degree), CIE standard
307 // illuminant functions used in the calculation of various data parameters (e.g., D50,
308 // D65, etc.), density status response, etc. If used there shall be at least one
309 // name-value pair following the WEIGHTING_FUNCTION tag/keyword. The first attribute
310 // in the set shall be {"name" and shall identify the particular parameter used.
311 // The second shall be {"value" and shall provide the value associated with that name.
312 // For ASCII data, a string containing the Name and Value attribute pairs shall follow
313 // the weighting function keyword. A semi-colon separates attribute pairs from each
314 // other and within the attribute the name and value are separated by a comma.
315
316 {"COMPUTATIONAL_PARAMETER", WRITE_PAIR}, // Parameter that is used in computing a value from measured data. Name is the name
317 // of the calculation, parameter is the name of the parameter used in the calculation
318 // and value is the value of the parameter.
319
320 {"TARGET_TYPE", WRITE_STRINGIFY}, // The type of target being measured, e.g. IT8.7/1, IT8.7/3, user defined, etc.
321
322 {"COLORANT", WRITE_STRINGIFY}, // Identifies the colorant(s) used in creating the target.
323
324 {"TABLE_DESCRIPTOR", WRITE_STRINGIFY}, // Describes the purpose or contents of a data table.
325
326 {"TABLE_NAME", WRITE_STRINGIFY} // Provides a short name for a data table.
327 };
328
329 #define NUMPREDEFINEDPROPS (sizeof(PredefinedProperties)/sizeof(PROPERTY))
330
331
332 // Predefined sample types on dataset
333 static const char* PredefinedSampleID[] = {
334 "SAMPLE_ID", // Identifies sample that data represents
335 "STRING", // Identifies label, or other non-machine readable value.
336 // Value must begin and end with a " symbol
337
338 "CMYK_C", // Cyan component of CMYK data expressed as a percentage
339 "CMYK_M", // Magenta component of CMYK data expressed as a percentage
340 "CMYK_Y", // Yellow component of CMYK data expressed as a percentage
341 "CMYK_K", // Black component of CMYK data expressed as a percentage
342 "D_RED", // Red filter density
343 "D_GREEN", // Green filter density
344 "D_BLUE", // Blue filter density
345 "D_VIS", // Visual filter density
346 "D_MAJOR_FILTER", // Major filter d ensity
347 "RGB_R", // Red component of RGB data
348 "RGB_G", // Green component of RGB data
349 "RGB_B", // Blue com ponent of RGB data
350 "SPECTRAL_NM", // Wavelength of measurement expressed in nanometers
351 "SPECTRAL_PCT", // Percentage reflectance/transmittance
352 "SPECTRAL_DEC", // Reflectance/transmittance
353 "XYZ_X", // X component of tristimulus data
354 "XYZ_Y", // Y component of tristimulus data
355 "XYZ_Z", // Z component of tristimulus data
356 "XYY_X", // x component of chromaticity data
357 "XYY_Y", // y component of chromaticity data
358 "XYY_CAPY", // Y component of tristimulus data
359 "LAB_L", // L* component of Lab data
360 "LAB_A", // a* component of Lab data
361 "LAB_B", // b* component of Lab data
362 "LAB_C", // C*ab component of Lab data
363 "LAB_H", // hab component of Lab data
364 "LAB_DE", // CIE dE
365 "LAB_DE_94", // CIE dE using CIE 94
366 "LAB_DE_CMC", // dE using CMC
367 "LAB_DE_2000", // CIE dE using CIE DE 2000
368 "MEAN_DE", // Mean Delta E (LAB_DE) of samples compared to batch average
369 // (Used for data files for ANSI IT8.7/1 and IT8.7/2 targets)
370 "STDEV_X", // Standard deviation of X (tristimulus data)
371 "STDEV_Y", // Standard deviation of Y (tristimulus data)
372 "STDEV_Z", // Standard deviation of Z (tristimulus data)
373 "STDEV_L", // Standard deviation of L*
374 "STDEV_A", // Standard deviation of a*
375 "STDEV_B", // Standard deviation of b*
376 "STDEV_DE", // Standard deviation of CIE dE
377 "CHI_SQD_PAR"}; // The average of the standard deviations of L*, a* and b*. It is
378 // used to derive an estimate of the chi-squared parameter which is
379 // recommended as the predictor of the variability of dE
380
381 #define NUMPREDEFINEDSAMPLEID (sizeof(PredefinedSampleID)/sizeof(char *))
382
383 //Forward declaration of some internal functions
384 static void* AllocChunk(cmsIT8* it8, cmsUInt32Number size);
385
386 // Checks whatever c is a separator
387 static
388 cmsBool isseparator(int c)
389 {
390 return (c == ' ') || (c == '\t') ;
391 }
392
393 // Checks whatever c is a valid identifier char
394 static
395 cmsBool ismiddle(int c)
396 {
397 return (!isseparator(c) && (c != '#') && (c !='\"') && (c != '\'') && (c > 32) && (c < 127));
398 }
399
400 // Checks whatsever c is a valid identifier middle char.
401 static
402 cmsBool isidchar(int c)
403 {
404 return isalnum(c) || ismiddle(c);
405 }
406
407 // Checks whatsever c is a valid identifier first char.
408 static
409 cmsBool isfirstidchar(int c)
410 {
411 return !isdigit(c) && ismiddle(c);
412 }
413
414 // Guess whether the supplied path looks like an absolute path
415 static
416 cmsBool isabsolutepath(const char *path)
417 {
418 char ThreeChars[4];
419
420 if(path == NULL)
421 return FALSE;
422 if (path[0] == 0)
423 return FALSE;
424
425 strncpy(ThreeChars, path, 3);
426 ThreeChars[3] = 0;
427
428 if(ThreeChars[0] == DIR_CHAR)
429 return TRUE;
430
431 #ifdef CMS_IS_WINDOWS_
432 if (isalpha((int) ThreeChars[0]) && ThreeChars[1] == ':')
433 return TRUE;
434 #endif
435 return FALSE;
436 }
437
438
439 // Makes a file path based on a given reference path
440 // NOTE: this function doesn't check if the path exists or even if it's legal
441 static
442 cmsBool BuildAbsolutePath(const char *relPath, const char *basePath, char *buffer, cmsUInt32Number MaxLen)
443 {
444 char *tail;
445 cmsUInt32Number len;
446
447 // Already absolute?
448 if (isabsolutepath(relPath)) {
449
450 strncpy(buffer, relPath, MaxLen);
451 buffer[MaxLen-1] = 0;
452 return TRUE;
453 }
454
455 // No, search for last
456 strncpy(buffer, basePath, MaxLen);
457 buffer[MaxLen-1] = 0;
458
459 tail = strrchr(buffer, DIR_CHAR);
460 if (tail == NULL) return FALSE; // Is not absolute and has no separators??
461
462 len = (cmsUInt32Number) (tail - buffer);
463 if (len >= MaxLen) return FALSE;
464
465 // No need to assure zero terminator over here
466 strncpy(tail + 1, relPath, MaxLen - len);
467
468 return TRUE;
469 }
470
471
472 // Make sure no exploit is being even tried
473 static
474 const char* NoMeta(const char* str)
475 {
476 if (strchr(str, '%') != NULL)
477 return "**** CORRUPTED FORMAT STRING ***";
478
479 return str;
480 }
481
482 // Syntax error
483 static
484 cmsBool SynError(cmsIT8* it8, const char *Txt, ...)
485 {
486 char Buffer[256], ErrMsg[1024];
487 va_list args;
488
489 va_start(args, Txt);
490 vsnprintf(Buffer, 255, Txt, args);
491 Buffer[255] = 0;
492 va_end(args);
493
494 snprintf(ErrMsg, 1023, "%s: Line %d, %s", it8->FileStack[it8 ->IncludeSP]->FileName, it8->lineno, Buffer);
495 ErrMsg[1023] = 0;
496 it8->sy = SSYNERROR;
497 cmsSignalError(it8 ->ContextID, cmsERROR_CORRUPTION_DETECTED, "%s", ErrMsg);
498 return FALSE;
499 }
500
501 // Check if current symbol is same as specified. issue an error else.
502 static
503 cmsBool Check(cmsIT8* it8, SYMBOL sy, const char* Err)
504 {
505 if (it8 -> sy != sy)
506 return SynError(it8, NoMeta(Err));
507 return TRUE;
508 }
509
510 // Read Next character from stream
511 static
512 void NextCh(cmsIT8* it8)
513 {
514 if (it8 -> FileStack[it8 ->IncludeSP]->Stream) {
515
516 it8 ->ch = fgetc(it8 ->FileStack[it8 ->IncludeSP]->Stream);
517
518 if (feof(it8 -> FileStack[it8 ->IncludeSP]->Stream)) {
519
520 if (it8 ->IncludeSP > 0) {
521
522 fclose(it8 ->FileStack[it8->IncludeSP--]->Stream);
523 it8 -> ch = ' '; // Whitespace to be ignored
524
525 } else
526 it8 ->ch = 0; // EOF
527 }
528 }
529 else {
530 it8->ch = *it8->Source;
531 if (it8->ch) it8->Source++;
532 }
533 }
534
535
536 // Try to see if current identifier is a keyword, if so return the referred symbol
537 static
538 SYMBOL BinSrchKey(const char *id)
539 {
540 int l = 1;
541 int r = NUMKEYS;
542 int x, res;
543
544 while (r >= l)
545 {
546 x = (l+r)/2;
547 res = cmsstrcasecmp(id, TabKeys[x-1].id);
548 if (res == 0) return TabKeys[x-1].sy;
549 if (res < 0) r = x - 1;
550 else l = x + 1;
551 }
552
553 return SUNDEFINED;
554 }
555
556
557 // 10 ^n
558 static
559 cmsFloat64Number xpow10(int n)
560 {
561 return pow(10, (cmsFloat64Number) n);
562 }
563
564
565 // Reads a Real number, tries to follow from integer number
566 static
567 void ReadReal(cmsIT8* it8, cmsInt32Number inum)
568 {
569 it8->dnum = (cmsFloat64Number)inum;
570
571 while (isdigit(it8->ch)) {
572
573 it8->dnum = (cmsFloat64Number)it8->dnum * 10.0 + (cmsFloat64Number)(it8->ch - '0');
574 NextCh(it8);
575 }
576
577 if (it8->ch == '.') { // Decimal point
578
579 cmsFloat64Number frac = 0.0; // fraction
580 int prec = 0; // precision
581
582 NextCh(it8); // Eats dec. point
583
584 while (isdigit(it8->ch)) {
585
586 frac = frac * 10.0 + (cmsFloat64Number)(it8->ch - '0');
587 prec++;
588 NextCh(it8);
589 }
590
591 it8->dnum = it8->dnum + (frac / xpow10(prec));
592 }
593
594 // Exponent, example 34.00E+20
595 if (toupper(it8->ch) == 'E') {
596
597 cmsInt32Number e;
598 cmsInt32Number sgn;
599
600 NextCh(it8); sgn = 1;
601
602 if (it8->ch == '-') {
603
604 sgn = -1; NextCh(it8);
605 }
606 else
607 if (it8->ch == '+') {
608
609 sgn = +1;
610 NextCh(it8);
611 }
612
613 e = 0;
614 while (isdigit(it8->ch)) {
615
616 cmsInt32Number digit = (it8->ch - '0');
617
618 if ((cmsFloat64Number)e * 10.0 + (cmsFloat64Number)digit < (cmsFloat64Number)+2147483647.0)
619 e = e * 10 + digit;
620
621 NextCh(it8);
622 }
623
624 e = sgn*e;
625 it8->dnum = it8->dnum * xpow10(e);
626 }
627 }
628
629 // Parses a float number
630 // This can not call directly atof because it uses locale dependent
631 // parsing, while CCMX files always use . as decimal separator
632 static
633 cmsFloat64Number ParseFloatNumber(const char *Buffer)
634 {
635 cmsFloat64Number dnum = 0.0;
636 int sign = 1;
637
638 // keep safe
639 if (Buffer == NULL) return 0.0;
640
641 if (*Buffer == '-' || *Buffer == '+') {
642
643 sign = (*Buffer == '-') ? -1 : 1;
644 Buffer++;
645 }
646
647
648 while (*Buffer && isdigit((int)*Buffer)) {
649
650 dnum = dnum * 10.0 + (*Buffer - '0');
651 if (*Buffer) Buffer++;
652 }
653
654 if (*Buffer == '.') {
655
656 cmsFloat64Number frac = 0.0; // fraction
657 int prec = 0; // precision
658
659 if (*Buffer) Buffer++;
660
661 while (*Buffer && isdigit((int)*Buffer)) {
662
663 frac = frac * 10.0 + (*Buffer - '0');
664 prec++;
665 if (*Buffer) Buffer++;
666 }
667
668 dnum = dnum + (frac / xpow10(prec));
669 }
670
671 // Exponent, example 34.00E+20
672 if (*Buffer && toupper(*Buffer) == 'E') {
673
674 int e;
675 int sgn;
676
677 if (*Buffer) Buffer++;
678 sgn = 1;
679
680 if (*Buffer == '-') {
681
682 sgn = -1;
683 if (*Buffer) Buffer++;
684 }
685 else
686 if (*Buffer == '+') {
687
688 sgn = +1;
689 if (*Buffer) Buffer++;
690 }
691
692 e = 0;
693 while (*Buffer && isdigit((int)*Buffer)) {
694
695 cmsInt32Number digit = (*Buffer - '0');
696
697 if ((cmsFloat64Number)e * 10.0 + digit < (cmsFloat64Number)+2147483647.0)
698 e = e * 10 + digit;
699
700 if (*Buffer) Buffer++;
701 }
702
703 e = sgn*e;
704 dnum = dnum * xpow10(e);
705 }
706
707 return sign * dnum;
708 }
709
710
711 // Reads next symbol
712 static
713 void InSymbol(cmsIT8* it8)
714 {
715 CMSREGISTER char *idptr;
716 CMSREGISTER int k;
717 SYMBOL key;
718 int sng;
719
720 do {
721
722 while (isseparator(it8->ch))
723 NextCh(it8);
724
725 if (isfirstidchar(it8->ch)) { // Identifier
726
727 k = 0;
728 idptr = it8->id;
729
730 do {
731
732 if (++k < MAXID) *idptr++ = (char) it8->ch;
733
734 NextCh(it8);
735
736 } while (isidchar(it8->ch));
737
738 *idptr = '\0';
739
740
741 key = BinSrchKey(it8->id);
742 if (key == SUNDEFINED) it8->sy = SIDENT;
743 else it8->sy = key;
744
745 }
746 else // Is a number?
747 if (isdigit(it8->ch) || it8->ch == '.' || it8->ch == '-' || it8->ch == '+')
748 {
749 int sign = 1;
750
751 if (it8->ch == '-') {
752 sign = -1;
753 NextCh(it8);
754 }
755
756 it8->inum = 0;
757 it8->sy = SINUM;
758
759 if (it8->ch == '0') { // 0xnnnn (Hexa) or 0bnnnn (Binary)
760
761 NextCh(it8);
762 if (toupper(it8->ch) == 'X') {
763
764 int j;
765
766 NextCh(it8);
767 while (isxdigit(it8->ch))
768 {
769 it8->ch = toupper(it8->ch);
770 if (it8->ch >= 'A' && it8->ch <= 'F') j = it8->ch -'A'+10;
771 else j = it8->ch - '0';
772
773 if ((cmsFloat64Number) it8->inum * 16.0 + (cmsFloat64Number) j > (cmsFloat64Number)+2147483647.0)
774 {
775 SynError(it8, "Invalid hexadecimal number");
776 return;
777 }
778
779 it8->inum = it8->inum * 16 + j;
780 NextCh(it8);
781 }
782 return;
783 }
784
785 if (toupper(it8->ch) == 'B') { // Binary
786
787 int j;
788
789 NextCh(it8);
790 while (it8->ch == '0' || it8->ch == '1')
791 {
792 j = it8->ch - '0';
793
794 if ((cmsFloat64Number) it8->inum * 2.0 + j > (cmsFloat64Number)+2147483647.0)
795 {
796 SynError(it8, "Invalid binary number");
797 return;
798 }
799
800 it8->inum = it8->inum * 2 + j;
801 NextCh(it8);
802 }
803 return;
804 }
805 }
806
807
808 while (isdigit(it8->ch)) {
809
810 cmsInt32Number digit = (it8->ch - '0');
811
812 if ((cmsFloat64Number) it8->inum * 10.0 + (cmsFloat64Number) digit > (cmsFloat64Number) +2147483647.0) {
813 ReadReal(it8, it8->inum);
814 it8->sy = SDNUM;
815 it8->dnum *= sign;
816 return;
817 }
818
819 it8->inum = it8->inum * 10 + digit;
820 NextCh(it8);
821 }
822
823 if (it8->ch == '.') {
824
825 ReadReal(it8, it8->inum);
826 it8->sy = SDNUM;
827 it8->dnum *= sign;
828 return;
829 }
830
831 it8 -> inum *= sign;
832
833 // Special case. Numbers followed by letters are taken as identifiers
834
835 if (isidchar(it8 ->ch)) {
836
837 if (it8 ->sy == SINUM) {
838
839 snprintf(it8->id, 127, "%d", it8->inum);
840 }
841 else {
842
843 snprintf(it8->id, 127, it8 ->DoubleFormatter, it8->dnum);
844 }
845
846 k = (int) strlen(it8 ->id);
847 idptr = it8 ->id + k;
848 do {
849
850 if (++k < MAXID) *idptr++ = (char) it8->ch;
851
852 NextCh(it8);
853
854 } while (isidchar(it8->ch));
855
856 *idptr = '\0';
857 it8->sy = SIDENT;
858 }
859 return;
860
861 }
862 else
863 switch ((int) it8->ch) {
864
865 // EOF marker -- ignore it
866 case '\x1a':
867 NextCh(it8);
868 break;
869
870 // Eof stream markers
871 case 0:
872 case -1:
873 it8->sy = SEOF;
874 break;
875
876
877 // Next line
878 case '\r':
879 NextCh(it8);
880 if (it8 ->ch == '\n')
881 NextCh(it8);
882 it8->sy = SEOLN;
883 it8->lineno++;
884 break;
885
886 case '\n':
887 NextCh(it8);
888 it8->sy = SEOLN;
889 it8->lineno++;
890 break;
891
892 // Comment
893 case '#':
894 NextCh(it8);
895 while (it8->ch && it8->ch != '\n' && it8->ch != '\r')
896 NextCh(it8);
897
898 it8->sy = SCOMMENT;
899 break;
900
901 // String.
902 case '\'':
903 case '\"':
904 idptr = it8->str;
905 sng = it8->ch;
906 k = 0;
907 NextCh(it8);
908
909 while (k < (MAXSTR-1) && it8->ch != sng) {
910
911 if (it8->ch == '\n'|| it8->ch == '\r') k = MAXSTR+1;
912 else {
913 *idptr++ = (char) it8->ch;
914 NextCh(it8);
915 k++;
916 }
917 }
918
919 it8->sy = SSTRING;
920 *idptr = '\0';
921 NextCh(it8);
922 break;
923
924
925 default:
926 SynError(it8, "Unrecognized character: 0x%x", it8 ->ch);
927 return;
928 }
929
930 } while (it8->sy == SCOMMENT);
931
932 // Handle the include special token
933
934 if (it8 -> sy == SINCLUDE) {
935
936 FILECTX* FileNest;
937
938 if(it8 -> IncludeSP >= (MAXINCLUDE-1)) {
939
940 SynError(it8, "Too many recursion levels");
941 return;
942 }
943
944 InSymbol(it8);
945 if (!Check(it8, SSTRING, "Filename expected")) return;
946
947 FileNest = it8 -> FileStack[it8 -> IncludeSP + 1];
948 if(FileNest == NULL) {
949
950 FileNest = it8 ->FileStack[it8 -> IncludeSP + 1] = (FILECTX*)AllocChunk(it8, sizeof(FILECTX));
951 //if(FileNest == NULL)
952 // TODO: how to manage out-of-memory conditions?
953 }
954
955 if (BuildAbsolutePath(it8->str,
956 it8->FileStack[it8->IncludeSP]->FileName,
957 FileNest->FileName, cmsMAX_PATH-1) == FALSE) {
958 SynError(it8, "File path too long");
959 return;
960 }
961
962 FileNest->Stream = fopen(FileNest->FileName, "rt");
963 if (FileNest->Stream == NULL) {
964
965 SynError(it8, "File %s not found", FileNest->FileName);
966 return;
967 }
968 it8->IncludeSP++;
969
970 it8 ->ch = ' ';
971 InSymbol(it8);
972 }
973
974 }
975
976 // Checks end of line separator
977 static
978 cmsBool CheckEOLN(cmsIT8* it8)
979 {
980 if (!Check(it8, SEOLN, "Expected separator")) return FALSE;
981 while (it8 -> sy == SEOLN)
982 InSymbol(it8);
983 return TRUE;
984
985 }
986
987 // Skip a symbol
988
989 static
990 void Skip(cmsIT8* it8, SYMBOL sy)
991 {
992 if (it8->sy == sy && it8->sy != SEOF)
993 InSymbol(it8);
994 }
995
996
997 // Skip multiple EOLN
998 static
999 void SkipEOLN(cmsIT8* it8)
1000 {
1001 while (it8->sy == SEOLN) {
1002 InSymbol(it8);
1003 }
1004 }
1005
1006
1007 // Returns a string holding current value
1008 static
1009 cmsBool GetVal(cmsIT8* it8, char* Buffer, cmsUInt32Number max, const char* ErrorTitle)
1010 {
1011 switch (it8->sy) {
1012
1013 case SEOLN: // Empty value
1014 Buffer[0]=0;
1015 break;
1016 case SIDENT: strncpy(Buffer, it8->id, max);
1017 Buffer[max-1]=0;
1018 break;
1019 case SINUM: snprintf(Buffer, max, "%d", it8 -> inum); break;
1020 case SDNUM: snprintf(Buffer, max, it8->DoubleFormatter, it8 -> dnum); break;
1021 case SSTRING: strncpy(Buffer, it8->str, max);
1022 Buffer[max-1] = 0;
1023 break;
1024
1025
1026 default:
1027 return SynError(it8, "%s", ErrorTitle);
1028 }
1029
1030 Buffer[max] = 0;
1031 return TRUE;
1032 }
1033
1034 // ---------------------------------------------------------- Table
1035
1036 static
1037 TABLE* GetTable(cmsIT8* it8)
1038 {
1039 if ((it8 -> nTable >= it8 ->TablesCount)) {
1040
1041 SynError(it8, "Table %d out of sequence", it8 -> nTable);
1042 return it8 -> Tab;
1043 }
1044
1045 return it8 ->Tab + it8 ->nTable;
1046 }
1047
1048 // ---------------------------------------------------------- Memory management
1049
1050
1051 // Frees an allocator and owned memory
1052 void CMSEXPORT cmsIT8Free(cmsHANDLE hIT8)
1053 {
1054 cmsIT8* it8 = (cmsIT8*) hIT8;
1055
1056 if (it8 == NULL)
1057 return;
1058
1059 if (it8->MemorySink) {
1060
1061 OWNEDMEM* p;
1062 OWNEDMEM* n;
1063
1064 for (p = it8->MemorySink; p != NULL; p = n) {
1065
1066 n = p->Next;
1067 if (p->Ptr) _cmsFree(it8 ->ContextID, p->Ptr);
1068 _cmsFree(it8 ->ContextID, p);
1069 }
1070 }
1071
1072 if (it8->MemoryBlock)
1073 _cmsFree(it8 ->ContextID, it8->MemoryBlock);
1074
1075 _cmsFree(it8 ->ContextID, it8);
1076 }
1077
1078
1079 // Allocates a chunk of data, keep linked list
1080 static
1081 void* AllocBigBlock(cmsIT8* it8, cmsUInt32Number size)
1082 {
1083 OWNEDMEM* ptr1;
1084 void* ptr = _cmsMallocZero(it8->ContextID, size);
1085
1086 if (ptr != NULL) {
1087
1088 ptr1 = (OWNEDMEM*) _cmsMallocZero(it8 ->ContextID, sizeof(OWNEDMEM));
1089
1090 if (ptr1 == NULL) {
1091
1092 _cmsFree(it8 ->ContextID, ptr);
1093 return NULL;
1094 }
1095
1096 ptr1-> Ptr = ptr;
1097 ptr1-> Next = it8 -> MemorySink;
1098 it8 -> MemorySink = ptr1;
1099 }
1100
1101 return ptr;
1102 }
1103
1104
1105 // Suballocator.
1106 static
1107 void* AllocChunk(cmsIT8* it8, cmsUInt32Number size)
1108 {
1109 cmsUInt32Number Free = it8 ->Allocator.BlockSize - it8 ->Allocator.Used;
1110 cmsUInt8Number* ptr;
1111
1112 size = _cmsALIGNMEM(size);
1113
1114 if (size > Free) {
1115
1116 if (it8 -> Allocator.BlockSize == 0)
1117
1118 it8 -> Allocator.BlockSize = 20*1024;
1119 else
1120 it8 ->Allocator.BlockSize *= 2;
1121
1122 if (it8 ->Allocator.BlockSize < size)
1123 it8 ->Allocator.BlockSize = size;
1124
1125 it8 ->Allocator.Used = 0;
1126 it8 ->Allocator.Block = (cmsUInt8Number*) AllocBigBlock(it8, it8 ->Allocator.BlockSize);
1127 }
1128
1129 ptr = it8 ->Allocator.Block + it8 ->Allocator.Used;
1130 it8 ->Allocator.Used += size;
1131
1132 return (void*) ptr;
1133
1134 }
1135
1136
1137 // Allocates a string
1138 static
1139 char *AllocString(cmsIT8* it8, const char* str)
1140 {
1141 cmsUInt32Number Size = (cmsUInt32Number) strlen(str)+1;
1142 char *ptr;
1143
1144
1145 ptr = (char *) AllocChunk(it8, Size);
1146 if (ptr) strncpy (ptr, str, Size-1);
1147
1148 return ptr;
1149 }
1150
1151 // Searches through linked list
1152
1153 static
1154 cmsBool IsAvailableOnList(KEYVALUE* p, const char* Key, const char* Subkey, KEYVALUE** LastPtr)
1155 {
1156 if (LastPtr) *LastPtr = p;
1157
1158 for (; p != NULL; p = p->Next) {
1159
1160 if (LastPtr) *LastPtr = p;
1161
1162 if (*Key != '#') { // Comments are ignored
1163
1164 if (cmsstrcasecmp(Key, p->Keyword) == 0)
1165 break;
1166 }
1167 }
1168
1169 if (p == NULL)
1170 return FALSE;
1171
1172 if (Subkey == 0)
1173 return TRUE;
1174
1175 for (; p != NULL; p = p->NextSubkey) {
1176
1177 if (p ->Subkey == NULL) continue;
1178
1179 if (LastPtr) *LastPtr = p;
1180
1181 if (cmsstrcasecmp(Subkey, p->Subkey) == 0)
1182 return TRUE;
1183 }
1184
1185 return FALSE;
1186 }
1187
1188
1189
1190 // Add a property into a linked list
1191 static
1192 KEYVALUE* AddToList(cmsIT8* it8, KEYVALUE** Head, const char *Key, const char *Subkey, const char* xValue, WRITEMODE WriteAs)
1193 {
1194 KEYVALUE* p;
1195 KEYVALUE* last;
1196
1197
1198 // Check if property is already in list
1199
1200 if (IsAvailableOnList(*Head, Key, Subkey, &p)) {
1201
1202 // This may work for editing properties
1203
1204 // return SynError(it8, "duplicate key <%s>", Key);
1205 }
1206 else {
1207
1208 last = p;
1209
1210 // Allocate the container
1211 p = (KEYVALUE*) AllocChunk(it8, sizeof(KEYVALUE));
1212 if (p == NULL)
1213 {
1214 SynError(it8, "AddToList: out of memory");
1215 return NULL;
1216 }
1217
1218 // Store name and value
1219 p->Keyword = AllocString(it8, Key);
1220 p->Subkey = (Subkey == NULL) ? NULL : AllocString(it8, Subkey);
1221
1222 // Keep the container in our list
1223 if (*Head == NULL) {
1224 *Head = p;
1225 }
1226 else
1227 {
1228 if (Subkey != NULL && last != NULL) {
1229
1230 last->NextSubkey = p;
1231
1232 // If Subkey is not null, then last is the last property with the same key,
1233 // but not necessarily is the last property in the list, so we need to move
1234 // to the actual list end
1235 while (last->Next != NULL)
1236 last = last->Next;
1237 }
1238
1239 if (last != NULL) last->Next = p;
1240 }
1241
1242 p->Next = NULL;
1243 p->NextSubkey = NULL;
1244 }
1245
1246 p->WriteAs = WriteAs;
1247
1248 if (xValue != NULL) {
1249
1250 p->Value = AllocString(it8, xValue);
1251 }
1252 else {
1253 p->Value = NULL;
1254 }
1255
1256 return p;
1257 }
1258
1259 static
1260 KEYVALUE* AddAvailableProperty(cmsIT8* it8, const char* Key, WRITEMODE as)
1261 {
1262 return AddToList(it8, &it8->ValidKeywords, Key, NULL, NULL, as);
1263 }
1264
1265
1266 static
1267 KEYVALUE* AddAvailableSampleID(cmsIT8* it8, const char* Key)
1268 {
1269 return AddToList(it8, &it8->ValidSampleID, Key, NULL, NULL, WRITE_UNCOOKED);
1270 }
1271
1272
1273 static
1274 void AllocTable(cmsIT8* it8)
1275 {
1276 TABLE* t;
1277
1278 t = it8 ->Tab + it8 ->TablesCount;
1279
1280 t->HeaderList = NULL;
1281 t->DataFormat = NULL;
1282 t->Data = NULL;
1283
1284 it8 ->TablesCount++;
1285 }
1286
1287
1288 cmsInt32Number CMSEXPORT cmsIT8SetTable(cmsHANDLE IT8, cmsUInt32Number nTable)
1289 {
1290 cmsIT8* it8 = (cmsIT8*) IT8;
1291
1292 if (nTable >= it8 ->TablesCount) {
1293
1294 if (nTable == it8 ->TablesCount) {
1295
1296 AllocTable(it8);
1297 }
1298 else {
1299 SynError(it8, "Table %d is out of sequence", nTable);
1300 return -1;
1301 }
1302 }
1303
1304 it8 ->nTable = nTable;
1305
1306 return (cmsInt32Number) nTable;
1307 }
1308
1309
1310
1311 // Init an empty container
1312 cmsHANDLE CMSEXPORT cmsIT8Alloc(cmsContext ContextID)
1313 {
1314 cmsIT8* it8;
1315 cmsUInt32Number i;
1316
1317 it8 = (cmsIT8*) _cmsMallocZero(ContextID, sizeof(cmsIT8));
1318 if (it8 == NULL) return NULL;
1319
1320 AllocTable(it8);
1321
1322 it8->MemoryBlock = NULL;
1323 it8->MemorySink = NULL;
1324
1325 it8 ->nTable = 0;
1326
1327 it8->ContextID = ContextID;
1328 it8->Allocator.Used = 0;
1329 it8->Allocator.Block = NULL;
1330 it8->Allocator.BlockSize = 0;
1331
1332 it8->ValidKeywords = NULL;
1333 it8->ValidSampleID = NULL;
1334
1335 it8 -> sy = SUNDEFINED;
1336 it8 -> ch = ' ';
1337 it8 -> Source = NULL;
1338 it8 -> inum = 0;
1339 it8 -> dnum = 0.0;
1340
1341 it8->FileStack[0] = (FILECTX*)AllocChunk(it8, sizeof(FILECTX));
1342 it8->IncludeSP = 0;
1343 it8 -> lineno = 1;
1344
1345 strcpy(it8->DoubleFormatter, DEFAULT_DBL_FORMAT);
1346 cmsIT8SetSheetType((cmsHANDLE) it8, "CGATS.17");
1347
1348 // Initialize predefined properties & data
1349
1350 for (i=0; i < NUMPREDEFINEDPROPS; i++)
1351 AddAvailableProperty(it8, PredefinedProperties[i].id, PredefinedProperties[i].as);
1352
1353 for (i=0; i < NUMPREDEFINEDSAMPLEID; i++)
1354 AddAvailableSampleID(it8, PredefinedSampleID[i]);
1355
1356
1357 return (cmsHANDLE) it8;
1358 }
1359
1360
1361 const char* CMSEXPORT cmsIT8GetSheetType(cmsHANDLE hIT8)
1362 {
1363 return GetTable((cmsIT8*) hIT8)->SheetType;
1364 }
1365
1366 cmsBool CMSEXPORT cmsIT8SetSheetType(cmsHANDLE hIT8, const char* Type)
1367 {
1368 TABLE* t = GetTable((cmsIT8*) hIT8);
1369
1370 strncpy(t ->SheetType, Type, MAXSTR-1);
1371 t ->SheetType[MAXSTR-1] = 0;
1372 return TRUE;
1373 }
1374
1375 cmsBool CMSEXPORT cmsIT8SetComment(cmsHANDLE hIT8, const char* Val)
1376 {
1377 cmsIT8* it8 = (cmsIT8*) hIT8;
1378
1379 if (!Val) return FALSE;
1380 if (!*Val) return FALSE;
1381
1382 return AddToList(it8, &GetTable(it8)->HeaderList, "# ", NULL, Val, WRITE_UNCOOKED) != NULL;
1383 }
1384
1385 // Sets a property
1386 cmsBool CMSEXPORT cmsIT8SetPropertyStr(cmsHANDLE hIT8, const char* Key, const char *Val)
1387 {
1388 cmsIT8* it8 = (cmsIT8*) hIT8;
1389
1390 if (!Val) return FALSE;
1391 if (!*Val) return FALSE;
1392
1393 return AddToList(it8, &GetTable(it8)->HeaderList, Key, NULL, Val, WRITE_STRINGIFY) != NULL;
1394 }
1395
1396 cmsBool CMSEXPORT cmsIT8SetPropertyDbl(cmsHANDLE hIT8, const char* cProp, cmsFloat64Number Val)
1397 {
1398 cmsIT8* it8 = (cmsIT8*) hIT8;
1399 char Buffer[1024];
1400
1401 snprintf(Buffer, 1023, it8->DoubleFormatter, Val);
1402
1403 return AddToList(it8, &GetTable(it8)->HeaderList, cProp, NULL, Buffer, WRITE_UNCOOKED) != NULL;
1404 }
1405
1406 cmsBool CMSEXPORT cmsIT8SetPropertyHex(cmsHANDLE hIT8, const char* cProp, cmsUInt32Number Val)
1407 {
1408 cmsIT8* it8 = (cmsIT8*) hIT8;
1409 char Buffer[1024];
1410
1411 snprintf(Buffer, 1023, "%u", Val);
1412
1413 return AddToList(it8, &GetTable(it8)->HeaderList, cProp, NULL, Buffer, WRITE_HEXADECIMAL) != NULL;
1414 }
1415
1416 cmsBool CMSEXPORT cmsIT8SetPropertyUncooked(cmsHANDLE hIT8, const char* Key, const char* Buffer)
1417 {
1418 cmsIT8* it8 = (cmsIT8*) hIT8;
1419
1420 return AddToList(it8, &GetTable(it8)->HeaderList, Key, NULL, Buffer, WRITE_UNCOOKED) != NULL;
1421 }
1422
1423 cmsBool CMSEXPORT cmsIT8SetPropertyMulti(cmsHANDLE hIT8, const char* Key, const char* SubKey, const char *Buffer)
1424 {
1425 cmsIT8* it8 = (cmsIT8*) hIT8;
1426
1427 return AddToList(it8, &GetTable(it8)->HeaderList, Key, SubKey, Buffer, WRITE_PAIR) != NULL;
1428 }
1429
1430 // Gets a property
1431 const char* CMSEXPORT cmsIT8GetProperty(cmsHANDLE hIT8, const char* Key)
1432 {
1433 cmsIT8* it8 = (cmsIT8*) hIT8;
1434 KEYVALUE* p;
1435
1436 if (IsAvailableOnList(GetTable(it8) -> HeaderList, Key, NULL, &p))
1437 {
1438 return p -> Value;
1439 }
1440 return NULL;
1441 }
1442
1443
1444 cmsFloat64Number CMSEXPORT cmsIT8GetPropertyDbl(cmsHANDLE hIT8, const char* cProp)
1445 {
1446 const char *v = cmsIT8GetProperty(hIT8, cProp);
1447
1448 if (v == NULL) return 0.0;
1449
1450 return ParseFloatNumber(v);
1451 }
1452
1453 const char* CMSEXPORT cmsIT8GetPropertyMulti(cmsHANDLE hIT8, const char* Key, const char *SubKey)
1454 {
1455 cmsIT8* it8 = (cmsIT8*) hIT8;
1456 KEYVALUE* p;
1457
1458 if (IsAvailableOnList(GetTable(it8) -> HeaderList, Key, SubKey, &p)) {
1459 return p -> Value;
1460 }
1461 return NULL;
1462 }
1463
1464 // ----------------------------------------------------------------- Datasets
1465
1466
1467 static
1468 void AllocateDataFormat(cmsIT8* it8)
1469 {
1470 TABLE* t = GetTable(it8);
1471
1472 if (t -> DataFormat) return; // Already allocated
1473
1474 t -> nSamples = (int) cmsIT8GetPropertyDbl(it8, "NUMBER_OF_FIELDS");
1475
1476 if (t -> nSamples <= 0) {
1477
1478 SynError(it8, "AllocateDataFormat: Unknown NUMBER_OF_FIELDS");
1479 t -> nSamples = 10;
1480 }
1481
1482 t -> DataFormat = (char**) AllocChunk (it8, ((cmsUInt32Number) t->nSamples + 1) * sizeof(char *));
1483 if (t->DataFormat == NULL) {
1484
1485 SynError(it8, "AllocateDataFormat: Unable to allocate dataFormat array");
1486 }
1487
1488 }
1489
1490 static
1491 const char *GetDataFormat(cmsIT8* it8, int n)
1492 {
1493 TABLE* t = GetTable(it8);
1494
1495 if (t->DataFormat)
1496 return t->DataFormat[n];
1497
1498 return NULL;
1499 }
1500
1501 static
1502 cmsBool SetDataFormat(cmsIT8* it8, int n, const char *label)
1503 {
1504 TABLE* t = GetTable(it8);
1505
1506 if (!t->DataFormat)
1507 AllocateDataFormat(it8);
1508
1509 if (n > t -> nSamples) {
1510 SynError(it8, "More than NUMBER_OF_FIELDS fields.");
1511 return FALSE;
1512 }
1513
1514 if (t->DataFormat) {
1515 t->DataFormat[n] = AllocString(it8, label);
1516 }
1517
1518 return TRUE;
1519 }
1520
1521
1522 cmsBool CMSEXPORT cmsIT8SetDataFormat(cmsHANDLE h, int n, const char *Sample)
1523 {
1524 cmsIT8* it8 = (cmsIT8*)h;
1525 return SetDataFormat(it8, n, Sample);
1526 }
1527
1528 static
1529 void AllocateDataSet(cmsIT8* it8)
1530 {
1531 TABLE* t = GetTable(it8);
1532
1533 if (t -> Data) return; // Already allocated
1534
1535 t-> nSamples = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_FIELDS"));
1536 t-> nPatches = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_SETS"));
1537
1538 if (t -> nSamples < 0 || t->nSamples > 0x7ffe || t->nPatches < 0 || t->nPatches > 0x7ffe)
1539 {
1540 SynError(it8, "AllocateDataSet: too much data");
1541 }
1542 else {
1543 t->Data = (char**)AllocChunk(it8, ((cmsUInt32Number)t->nSamples + 1) * ((cmsUInt32Number)t->nPatches + 1) * sizeof(char*));
1544 if (t->Data == NULL) {
1545
1546 SynError(it8, "AllocateDataSet: Unable to allocate data array");
1547 }
1548 }
1549
1550 }
1551
1552 static
1553 char* GetData(cmsIT8* it8, int nSet, int nField)
1554 {
1555 TABLE* t = GetTable(it8);
1556 int nSamples = t -> nSamples;
1557 int nPatches = t -> nPatches;
1558
1559 if (nSet >= nPatches || nField >= nSamples)
1560 return NULL;
1561
1562 if (!t->Data) return NULL;
1563 return t->Data [nSet * nSamples + nField];
1564 }
1565
1566 static
1567 cmsBool SetData(cmsIT8* it8, int nSet, int nField, const char *Val)
1568 {
1569 TABLE* t = GetTable(it8);
1570
1571 if (!t->Data)
1572 AllocateDataSet(it8);
1573
1574 if (!t->Data) return FALSE;
1575
1576 if (nSet > t -> nPatches || nSet < 0) {
1577
1578 return SynError(it8, "Patch %d out of range, there are %d patches", nSet, t -> nPatches);
1579 }
1580
1581 if (nField > t ->nSamples || nField < 0) {
1582 return SynError(it8, "Sample %d out of range, there are %d samples", nField, t ->nSamples);
1583
1584 }
1585
1586 t->Data [nSet * t -> nSamples + nField] = AllocString(it8, Val);
1587 return TRUE;
1588 }
1589
1590
1591 // --------------------------------------------------------------- File I/O
1592
1593
1594 // Writes a string to file
1595 static
1596 void WriteStr(SAVESTREAM* f, const char *str)
1597 {
1598 cmsUInt32Number len;
1599
1600 if (str == NULL)
1601 str = " ";
1602
1603 // Length to write
1604 len = (cmsUInt32Number) strlen(str);
1605 f ->Used += len;
1606
1607
1608 if (f ->stream) { // Should I write it to a file?
1609
1610 if (fwrite(str, 1, len, f->stream) != len) {
1611 cmsSignalError(0, cmsERROR_WRITE, "Write to file error in CGATS parser");
1612 return;
1613 }
1614
1615 }
1616 else { // Or to a memory block?
1617
1618 if (f ->Base) { // Am I just counting the bytes?
1619
1620 if (f ->Used > f ->Max) {
1621
1622 cmsSignalError(0, cmsERROR_WRITE, "Write to memory overflows in CGATS parser");
1623 return;
1624 }
1625
1626 memmove(f ->Ptr, str, len);
1627 f->Ptr += len;
1628 }
1629
1630 }
1631 }
1632
1633
1634 // Write formatted
1635
1636 static
1637 void Writef(SAVESTREAM* f, const char* frm, ...)
1638 {
1639 char Buffer[4096];
1640 va_list args;
1641
1642 va_start(args, frm);
1643 vsnprintf(Buffer, 4095, frm, args);
1644 Buffer[4095] = 0;
1645 WriteStr(f, Buffer);
1646 va_end(args);
1647
1648 }
1649
1650 // Writes full header
1651 static
1652 void WriteHeader(cmsIT8* it8, SAVESTREAM* fp)
1653 {
1654 KEYVALUE* p;
1655 TABLE* t = GetTable(it8);
1656
1657 // Writes the type
1658 WriteStr(fp, t->SheetType);
1659 WriteStr(fp, "\n");
1660
1661 for (p = t->HeaderList; (p != NULL); p = p->Next)
1662 {
1663 if (*p ->Keyword == '#') {
1664
1665 char* Pt;
1666
1667 WriteStr(fp, "#\n# ");
1668 for (Pt = p ->Value; *Pt; Pt++) {
1669
1670
1671 Writef(fp, "%c", *Pt);
1672
1673 if (*Pt == '\n') {
1674 WriteStr(fp, "# ");
1675 }
1676 }
1677
1678 WriteStr(fp, "\n#\n");
1679 continue;
1680 }
1681
1682
1683 if (!IsAvailableOnList(it8-> ValidKeywords, p->Keyword, NULL, NULL)) {
1684
1685 #ifdef CMS_STRICT_CGATS
1686 WriteStr(fp, "KEYWORD\t\"");
1687 WriteStr(fp, p->Keyword);
1688 WriteStr(fp, "\"\n");
1689 #endif
1690
1691 AddAvailableProperty(it8, p->Keyword, WRITE_UNCOOKED);
1692 }
1693
1694 WriteStr(fp, p->Keyword);
1695 if (p->Value) {
1696
1697 switch (p ->WriteAs) {
1698
1699 case WRITE_UNCOOKED:
1700 Writef(fp, "\t%s", p ->Value);
1701 break;
1702
1703 case WRITE_STRINGIFY:
1704 Writef(fp, "\t\"%s\"", p->Value );
1705 break;
1706
1707 case WRITE_HEXADECIMAL:
1708 Writef(fp, "\t0x%X", atoi(p ->Value));
1709 break;
1710
1711 case WRITE_BINARY:
1712 Writef(fp, "\t0x%B", atoi(p ->Value));
1713 break;
1714
1715 case WRITE_PAIR:
1716 Writef(fp, "\t\"%s,%s\"", p->Subkey, p->Value);
1717 break;
1718
1719 default: SynError(it8, "Unknown write mode %d", p ->WriteAs);
1720 return;
1721 }
1722 }
1723
1724 WriteStr (fp, "\n");
1725 }
1726
1727 }
1728
1729
1730 // Writes the data format
1731 static
1732 void WriteDataFormat(SAVESTREAM* fp, cmsIT8* it8)
1733 {
1734 int i, nSamples;
1735 TABLE* t = GetTable(it8);
1736
1737 if (!t -> DataFormat) return;
1738
1739 WriteStr(fp, "BEGIN_DATA_FORMAT\n");
1740 WriteStr(fp, " ");
1741 nSamples = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_FIELDS"));
1742
1743 for (i = 0; i < nSamples; i++) {
1744
1745 WriteStr(fp, t->DataFormat[i]);
1746 WriteStr(fp, ((i == (nSamples-1)) ? "\n" : "\t"));
1747 }
1748
1749 WriteStr (fp, "END_DATA_FORMAT\n");
1750 }
1751
1752
1753 // Writes data array
1754 static
1755 void WriteData(SAVESTREAM* fp, cmsIT8* it8)
1756 {
1757 int i, j;
1758 TABLE* t = GetTable(it8);
1759
1760 if (!t->Data) return;
1761
1762 WriteStr (fp, "BEGIN_DATA\n");
1763
1764 t->nPatches = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_SETS"));
1765
1766 for (i = 0; i < t-> nPatches; i++) {
1767
1768 WriteStr(fp, " ");
1769
1770 for (j = 0; j < t->nSamples; j++) {
1771
1772 char *ptr = t->Data[i*t->nSamples+j];
1773
1774 if (ptr == NULL) WriteStr(fp, "\"\"");
1775 else {
1776 // If value contains whitespace, enclose within quote
1777
1778 if (strchr(ptr, ' ') != NULL) {
1779
1780 WriteStr(fp, "\"");
1781 WriteStr(fp, ptr);
1782 WriteStr(fp, "\"");
1783 }
1784 else
1785 WriteStr(fp, ptr);
1786 }
1787
1788 WriteStr(fp, ((j == (t->nSamples-1)) ? "\n" : "\t"));
1789 }
1790 }
1791 WriteStr (fp, "END_DATA\n");
1792 }
1793
1794
1795
1796 // Saves whole file
1797 cmsBool CMSEXPORT cmsIT8SaveToFile(cmsHANDLE hIT8, const char* cFileName)
1798 {
1799 SAVESTREAM sd;
1800 cmsUInt32Number i;
1801 cmsIT8* it8 = (cmsIT8*) hIT8;
1802
1803 memset(&sd, 0, sizeof(sd));
1804
1805 sd.stream = fopen(cFileName, "wt");
1806 if (!sd.stream) return FALSE;
1807
1808 for (i=0; i < it8 ->TablesCount; i++) {
1809
1810 cmsIT8SetTable(hIT8, i);
1811 WriteHeader(it8, &sd);
1812 WriteDataFormat(&sd, it8);
1813 WriteData(&sd, it8);
1814 }
1815
1816 if (fclose(sd.stream) != 0) return FALSE;
1817
1818 return TRUE;
1819 }
1820
1821
1822 // Saves to memory
1823 cmsBool CMSEXPORT cmsIT8SaveToMem(cmsHANDLE hIT8, void *MemPtr, cmsUInt32Number* BytesNeeded)
1824 {
1825 SAVESTREAM sd;
1826 cmsUInt32Number i;
1827 cmsIT8* it8 = (cmsIT8*) hIT8;
1828
1829 memset(&sd, 0, sizeof(sd));
1830
1831 sd.stream = NULL;
1832 sd.Base = (cmsUInt8Number*) MemPtr;
1833 sd.Ptr = sd.Base;
1834
1835 sd.Used = 0;
1836
1837 if (sd.Base)
1838 sd.Max = *BytesNeeded; // Write to memory?
1839 else
1840 sd.Max = 0; // Just counting the needed bytes
1841
1842 for (i=0; i < it8 ->TablesCount; i++) {
1843
1844 cmsIT8SetTable(hIT8, i);
1845 WriteHeader(it8, &sd);
1846 WriteDataFormat(&sd, it8);
1847 WriteData(&sd, it8);
1848 }
1849
1850 sd.Used++; // The \0 at the very end
1851
1852 if (sd.Base)
1853 *sd.Ptr = 0;
1854
1855 *BytesNeeded = sd.Used;
1856
1857 return TRUE;
1858 }
1859
1860
1861 // -------------------------------------------------------------- Higher level parsing
1862
1863 static
1864 cmsBool DataFormatSection(cmsIT8* it8)
1865 {
1866 int iField = 0;
1867 TABLE* t = GetTable(it8);
1868
1869 InSymbol(it8); // Eats "BEGIN_DATA_FORMAT"
1870 CheckEOLN(it8);
1871
1872 while (it8->sy != SEND_DATA_FORMAT &&
1873 it8->sy != SEOLN &&
1874 it8->sy != SEOF &&
1875 it8->sy != SSYNERROR) {
1876
1877 if (it8->sy != SIDENT) {
1878
1879 return SynError(it8, "Sample type expected");
1880 }
1881
1882 if (!SetDataFormat(it8, iField, it8->id)) return FALSE;
1883 iField++;
1884
1885 InSymbol(it8);
1886 SkipEOLN(it8);
1887 }
1888
1889 SkipEOLN(it8);
1890 Skip(it8, SEND_DATA_FORMAT);
1891 SkipEOLN(it8);
1892
1893 if (iField != t ->nSamples) {
1894 SynError(it8, "Count mismatch. NUMBER_OF_FIELDS was %d, found %d\n", t ->nSamples, iField);
1895
1896
1897 }
1898
1899 return TRUE;
1900 }
1901
1902
1903
1904 static
1905 cmsBool DataSection (cmsIT8* it8)
1906 {
1907 int iField = 0;
1908 int iSet = 0;
1909 char Buffer[256];
1910 TABLE* t = GetTable(it8);
1911
1912 InSymbol(it8); // Eats "BEGIN_DATA"
1913 CheckEOLN(it8);
1914
1915 if (!t->Data)
1916 AllocateDataSet(it8);
1917
1918 while (it8->sy != SEND_DATA && it8->sy != SEOF)
1919 {
1920 if (iField >= t -> nSamples) {
1921 iField = 0;
1922 iSet++;
1923
1924 }
1925
1926 if (it8->sy != SEND_DATA && it8->sy != SEOF) {
1927
1928 if (!GetVal(it8, Buffer, 255, "Sample data expected"))
1929 return FALSE;
1930
1931 if (!SetData(it8, iSet, iField, Buffer))
1932 return FALSE;
1933
1934 iField++;
1935
1936 InSymbol(it8);
1937 SkipEOLN(it8);
1938 }
1939 }
1940
1941 SkipEOLN(it8);
1942 Skip(it8, SEND_DATA);
1943 SkipEOLN(it8);
1944
1945 // Check for data completion.
1946
1947 if ((iSet+1) != t -> nPatches)
1948 return SynError(it8, "Count mismatch. NUMBER_OF_SETS was %d, found %d\n", t ->nPatches, iSet+1);
1949
1950 return TRUE;
1951 }
1952
1953
1954
1955
1956 static
1957 cmsBool HeaderSection(cmsIT8* it8)
1958 {
1959 char VarName[MAXID];
1960 char Buffer[MAXSTR];
1961 KEYVALUE* Key;
1962
1963 while (it8->sy != SEOF &&
1964 it8->sy != SSYNERROR &&
1965 it8->sy != SBEGIN_DATA_FORMAT &&
1966 it8->sy != SBEGIN_DATA) {
1967
1968
1969 switch (it8 -> sy) {
1970
1971 case SKEYWORD:
1972 InSymbol(it8);
1973 if (!GetVal(it8, Buffer, MAXSTR-1, "Keyword expected")) return FALSE;
1974 if (!AddAvailableProperty(it8, Buffer, WRITE_UNCOOKED)) return FALSE;
1975 InSymbol(it8);
1976 break;
1977
1978
1979 case SDATA_FORMAT_ID:
1980 InSymbol(it8);
1981 if (!GetVal(it8, Buffer, MAXSTR-1, "Keyword expected")) return FALSE;
1982 if (!AddAvailableSampleID(it8, Buffer)) return FALSE;
1983 InSymbol(it8);
1984 break;
1985
1986
1987 case SIDENT:
1988 strncpy(VarName, it8->id, MAXID - 1);
1989 VarName[MAXID - 1] = 0;
1990
1991 if (!IsAvailableOnList(it8->ValidKeywords, VarName, NULL, &Key)) {
1992
1993 #ifdef CMS_STRICT_CGATS
1994 return SynError(it8, "Undefined keyword '%s'", VarName);
1995 #else
1996 Key = AddAvailableProperty(it8, VarName, WRITE_UNCOOKED);
1997 if (Key == NULL) return FALSE;
1998 #endif
1999 }
2000
2001 InSymbol(it8);
2002 if (!GetVal(it8, Buffer, MAXSTR - 1, "Property data expected")) return FALSE;
2003
2004 if (Key->WriteAs != WRITE_PAIR) {
2005 AddToList(it8, &GetTable(it8)->HeaderList, VarName, NULL, Buffer,
2006 (it8->sy == SSTRING) ? WRITE_STRINGIFY : WRITE_UNCOOKED);
2007 }
2008 else {
2009 const char *Subkey;
2010 char *Nextkey;
2011 if (it8->sy != SSTRING)
2012 return SynError(it8, "Invalid value '%s' for property '%s'.", Buffer, VarName);
2013
2014 // chop the string as a list of "subkey, value" pairs, using ';' as a separator
2015 for (Subkey = Buffer; Subkey != NULL; Subkey = Nextkey)
2016 {
2017 char *Value, *temp;
2018
2019 // identify token pair boundary
2020 Nextkey = (char*)strchr(Subkey, ';');
2021 if (Nextkey)
2022 *Nextkey++ = '\0';
2023
2024 // for each pair, split the subkey and the value
2025 Value = (char*)strrchr(Subkey, ',');
2026 if (Value == NULL)
2027 return SynError(it8, "Invalid value for property '%s'.", VarName);
2028
2029 // gobble the spaces before the coma, and the coma itself
2030 temp = Value++;
2031 do *temp-- = '\0'; while (temp >= Subkey && *temp == ' ');
2032
2033 // gobble any space at the right
2034 temp = Value + strlen(Value) - 1;
2035 while (*temp == ' ') *temp-- = '\0';
2036
2037 // trim the strings from the left
2038 Subkey += strspn(Subkey, " ");
2039 Value += strspn(Value, " ");
2040
2041 if (Subkey[0] == 0 || Value[0] == 0)
2042 return SynError(it8, "Invalid value for property '%s'.", VarName);
2043 AddToList(it8, &GetTable(it8)->HeaderList, VarName, Subkey, Value, WRITE_PAIR);
2044 }
2045 }
2046
2047 InSymbol(it8);
2048 break;
2049
2050
2051 case SEOLN: break;
2052
2053 default:
2054 return SynError(it8, "expected keyword or identifier");
2055 }
2056
2057 SkipEOLN(it8);
2058 }
2059
2060 return TRUE;
2061
2062 }
2063
2064
2065 static
2066 void ReadType(cmsIT8* it8, char* SheetTypePtr)
2067 {
2068 cmsInt32Number cnt = 0;
2069
2070 // First line is a very special case.
2071
2072 while (isseparator(it8->ch))
2073 NextCh(it8);
2074
2075 while (it8->ch != '\r' && it8 ->ch != '\n' && it8->ch != '\t' && it8 -> ch != 0) {
2076
2077 if (cnt++ < MAXSTR)
2078 *SheetTypePtr++= (char) it8 ->ch;
2079 NextCh(it8);
2080 }
2081
2082 *SheetTypePtr = 0;
2083 }
2084
2085
2086 static
2087 cmsBool ParseIT8(cmsIT8* it8, cmsBool nosheet)
2088 {
2089 char* SheetTypePtr = it8 ->Tab[0].SheetType;
2090
2091 if (nosheet == 0) {
2092 ReadType(it8, SheetTypePtr);
2093 }
2094
2095 InSymbol(it8);
2096
2097 SkipEOLN(it8);
2098
2099 while (it8-> sy != SEOF &&
2100 it8-> sy != SSYNERROR) {
2101
2102 switch (it8 -> sy) {
2103
2104 case SBEGIN_DATA_FORMAT:
2105 if (!DataFormatSection(it8)) return FALSE;
2106 break;
2107
2108 case SBEGIN_DATA:
2109
2110 if (!DataSection(it8)) return FALSE;
2111
2112 if (it8 -> sy != SEOF) {
2113
2114 AllocTable(it8);
2115 it8 ->nTable = it8 ->TablesCount - 1;
2116
2117 // Read sheet type if present. We only support identifier and string.
2118 // <ident> <eoln> is a type string
2119 // anything else, is not a type string
2120 if (nosheet == 0) {
2121
2122 if (it8 ->sy == SIDENT) {
2123
2124 // May be a type sheet or may be a prop value statement. We cannot use insymbol in
2125 // this special case...
2126 while (isseparator(it8->ch))
2127 NextCh(it8);
2128
2129 // If a newline is found, then this is a type string
2130 if (it8 ->ch == '\n' || it8->ch == '\r') {
2131
2132 cmsIT8SetSheetType(it8, it8 ->id);
2133 InSymbol(it8);
2134 }
2135 else
2136 {
2137 // It is not. Just continue
2138 cmsIT8SetSheetType(it8, "");
2139 }
2140 }
2141 else
2142 // Validate quoted strings
2143 if (it8 ->sy == SSTRING) {
2144 cmsIT8SetSheetType(it8, it8 ->str);
2145 InSymbol(it8);
2146 }
2147 }
2148
2149 }
2150 break;
2151
2152 case SEOLN:
2153 SkipEOLN(it8);
2154 break;
2155
2156 default:
2157 if (!HeaderSection(it8)) return FALSE;
2158 }
2159
2160 }
2161
2162 return (it8 -> sy != SSYNERROR);
2163 }
2164
2165
2166
2167 // Init useful pointers
2168
2169 static
2170 void CookPointers(cmsIT8* it8)
2171 {
2172 int idField, i;
2173 char* Fld;
2174 cmsUInt32Number j;
2175 cmsUInt32Number nOldTable = it8 ->nTable;
2176
2177 for (j=0; j < it8 ->TablesCount; j++) {
2178
2179 TABLE* t = it8 ->Tab + j;
2180
2181 t -> SampleID = 0;
2182 it8 ->nTable = j;
2183
2184 for (idField = 0; idField < t -> nSamples; idField++)
2185 {
2186 if (t ->DataFormat == NULL){
2187 SynError(it8, "Undefined DATA_FORMAT");
2188 return;
2189 }
2190
2191 Fld = t->DataFormat[idField];
2192 if (!Fld) continue;
2193
2194
2195 if (cmsstrcasecmp(Fld, "SAMPLE_ID") == 0) {
2196
2197 t -> SampleID = idField;
2198 }
2199
2200 // "LABEL" is an extension. It keeps references to forward tables
2201
2202 if ((cmsstrcasecmp(Fld, "LABEL") == 0) || Fld[0] == '$') {
2203
2204 // Search for table references...
2205 for (i = 0; i < t->nPatches; i++) {
2206
2207 char* Label = GetData(it8, i, idField);
2208
2209 if (Label) {
2210
2211 cmsUInt32Number k;
2212
2213 // This is the label, search for a table containing
2214 // this property
2215
2216 for (k = 0; k < it8->TablesCount; k++) {
2217
2218 TABLE* Table = it8->Tab + k;
2219 KEYVALUE* p;
2220
2221 if (IsAvailableOnList(Table->HeaderList, Label, NULL, &p)) {
2222
2223 // Available, keep type and table
2224 char Buffer[256];
2225
2226 char* Type = p->Value;
2227 int nTable = (int)k;
2228
2229 snprintf(Buffer, 255, "%s %d %s", Label, nTable, Type);
2230
2231 SetData(it8, i, idField, Buffer);
2232 }
2233 }
2234
2235
2236 }
2237
2238 }
2239
2240
2241 }
2242
2243 }
2244 }
2245
2246 it8 ->nTable = nOldTable;
2247 }
2248
2249 // Try to infere if the file is a CGATS/IT8 file at all. Read first line
2250 // that should be something like some printable characters plus a \n
2251 // returns 0 if this is not like a CGATS, or an integer otherwise. This integer is the number of words in first line?
2252 static
2253 int IsMyBlock(const cmsUInt8Number* Buffer, cmsUInt32Number n)
2254 {
2255 int words = 1, space = 0, quot = 0;
2256 cmsUInt32Number i;
2257
2258 if (n < 10) return 0; // Too small
2259
2260 if (n > 132)
2261 n = 132;
2262
2263 for (i = 1; i < n; i++) {
2264
2265 switch(Buffer[i])
2266 {
2267 case '\n':
2268 case '\r':
2269 return ((quot == 1) || (words > 2)) ? 0 : words;
2270 case '\t':
2271 case ' ':
2272 if(!quot && !space)
2273 space = 1;
2274 break;
2275 case '\"':
2276 quot = !quot;
2277 break;
2278 default:
2279 if (Buffer[i] < 32) return 0;
2280 if (Buffer[i] > 127) return 0;
2281 words += space;
2282 space = 0;
2283 break;
2284 }
2285 }
2286
2287 return 0;
2288 }
2289
2290
2291 static
2292 cmsBool IsMyFile(const char* FileName)
2293 {
2294 FILE *fp;
2295 cmsUInt32Number Size;
2296 cmsUInt8Number Ptr[133];
2297
2298 fp = fopen(FileName, "rt");
2299 if (!fp) {
2300 cmsSignalError(0, cmsERROR_FILE, "File '%s' not found", FileName);
2301 return FALSE;
2302 }
2303
2304 Size = (cmsUInt32Number) fread(Ptr, 1, 132, fp);
2305
2306 if (fclose(fp) != 0)
2307 return FALSE;
2308
2309 Ptr[Size] = '\0';
2310
2311 return IsMyBlock(Ptr, Size);
2312 }
2313
2314 // ---------------------------------------------------------- Exported routines
2315
2316
2317 cmsHANDLE CMSEXPORT cmsIT8LoadFromMem(cmsContext ContextID, const void *Ptr, cmsUInt32Number len)
2318 {
2319 cmsHANDLE hIT8;
2320 cmsIT8* it8;
2321 int type;
2322
2323 _cmsAssert(Ptr != NULL);
2324 _cmsAssert(len != 0);
2325
2326 type = IsMyBlock((const cmsUInt8Number*)Ptr, len);
2327 if (type == 0) return NULL;
2328
2329 hIT8 = cmsIT8Alloc(ContextID);
2330 if (!hIT8) return NULL;
2331
2332 it8 = (cmsIT8*) hIT8;
2333 it8 ->MemoryBlock = (char*) _cmsMalloc(ContextID, len + 1);
2334 if (it8->MemoryBlock == NULL)
2335 {
2336 cmsIT8Free(hIT8);
2337 return FALSE;
2338 }
2339
2340 strncpy(it8 ->MemoryBlock, (const char*) Ptr, len);
2341 it8 ->MemoryBlock[len] = 0;
2342
2343 strncpy(it8->FileStack[0]->FileName, "", cmsMAX_PATH-1);
2344 it8-> Source = it8 -> MemoryBlock;
2345
2346 if (!ParseIT8(it8, type-1)) {
2347
2348 cmsIT8Free(hIT8);
2349 return FALSE;
2350 }
2351
2352 CookPointers(it8);
2353 it8 ->nTable = 0;
2354
2355 _cmsFree(ContextID, it8->MemoryBlock);
2356 it8 -> MemoryBlock = NULL;
2357
2358 return hIT8;
2359
2360
2361 }
2362
2363
2364 cmsHANDLE CMSEXPORT cmsIT8LoadFromFile(cmsContext ContextID, const char* cFileName)
2365 {
2366
2367 cmsHANDLE hIT8;
2368 cmsIT8* it8;
2369 int type;
2370
2371 _cmsAssert(cFileName != NULL);
2372
2373 type = IsMyFile(cFileName);
2374 if (type == 0) return NULL;
2375
2376 hIT8 = cmsIT8Alloc(ContextID);
2377 it8 = (cmsIT8*) hIT8;
2378 if (!hIT8) return NULL;
2379
2380
2381 it8 ->FileStack[0]->Stream = fopen(cFileName, "rt");
2382
2383 if (!it8 ->FileStack[0]->Stream) {
2384 cmsIT8Free(hIT8);
2385 return NULL;
2386 }
2387
2388
2389 strncpy(it8->FileStack[0]->FileName, cFileName, cmsMAX_PATH-1);
2390 it8->FileStack[0]->FileName[cmsMAX_PATH-1] = 0;
2391
2392 if (!ParseIT8(it8, type-1)) {
2393
2394 fclose(it8 ->FileStack[0]->Stream);
2395 cmsIT8Free(hIT8);
2396 return NULL;
2397 }
2398
2399 CookPointers(it8);
2400 it8 ->nTable = 0;
2401
2402 if (fclose(it8 ->FileStack[0]->Stream)!= 0) {
2403 cmsIT8Free(hIT8);
2404 return NULL;
2405 }
2406
2407 return hIT8;
2408
2409 }
2410
2411 int CMSEXPORT cmsIT8EnumDataFormat(cmsHANDLE hIT8, char ***SampleNames)
2412 {
2413 cmsIT8* it8 = (cmsIT8*) hIT8;
2414 TABLE* t;
2415
2416 _cmsAssert(hIT8 != NULL);
2417
2418 t = GetTable(it8);
2419
2420 if (SampleNames)
2421 *SampleNames = t -> DataFormat;
2422 return t -> nSamples;
2423 }
2424
2425
2426 cmsUInt32Number CMSEXPORT cmsIT8EnumProperties(cmsHANDLE hIT8, char ***PropertyNames)
2427 {
2428 cmsIT8* it8 = (cmsIT8*) hIT8;
2429 KEYVALUE* p;
2430 cmsUInt32Number n;
2431 char **Props;
2432 TABLE* t;
2433
2434 _cmsAssert(hIT8 != NULL);
2435
2436 t = GetTable(it8);
2437
2438 // Pass#1 - count properties
2439
2440 n = 0;
2441 for (p = t -> HeaderList; p != NULL; p = p->Next) {
2442 n++;
2443 }
2444
2445
2446 Props = (char **) AllocChunk(it8, sizeof(char *) * n);
2447
2448 // Pass#2 - Fill pointers
2449 n = 0;
2450 for (p = t -> HeaderList; p != NULL; p = p->Next) {
2451 Props[n++] = p -> Keyword;
2452 }
2453
2454 *PropertyNames = Props;
2455 return n;
2456 }
2457
2458 cmsUInt32Number CMSEXPORT cmsIT8EnumPropertyMulti(cmsHANDLE hIT8, const char* cProp, const char ***SubpropertyNames)
2459 {
2460 cmsIT8* it8 = (cmsIT8*) hIT8;
2461 KEYVALUE *p, *tmp;
2462 cmsUInt32Number n;
2463 const char **Props;
2464 TABLE* t;
2465
2466 _cmsAssert(hIT8 != NULL);
2467
2468
2469 t = GetTable(it8);
2470
2471 if(!IsAvailableOnList(t->HeaderList, cProp, NULL, &p)) {
2472 *SubpropertyNames = 0;
2473 return 0;
2474 }
2475
2476 // Pass#1 - count properties
2477
2478 n = 0;
2479 for (tmp = p; tmp != NULL; tmp = tmp->NextSubkey) {
2480 if(tmp->Subkey != NULL)
2481 n++;
2482 }
2483
2484
2485 Props = (const char **) AllocChunk(it8, sizeof(char *) * n);
2486
2487 // Pass#2 - Fill pointers
2488 n = 0;
2489 for (tmp = p; tmp != NULL; tmp = tmp->NextSubkey) {
2490 if(tmp->Subkey != NULL)
2491 Props[n++] = p ->Subkey;
2492 }
2493
2494 *SubpropertyNames = Props;
2495 return n;
2496 }
2497
2498 static
2499 int LocatePatch(cmsIT8* it8, const char* cPatch)
2500 {
2501 int i;
2502 const char *data;
2503 TABLE* t = GetTable(it8);
2504
2505 for (i=0; i < t-> nPatches; i++) {
2506
2507 data = GetData(it8, i, t->SampleID);
2508
2509 if (data != NULL) {
2510
2511 if (cmsstrcasecmp(data, cPatch) == 0)
2512 return i;
2513 }
2514 }
2515
2516 // SynError(it8, "Couldn't find patch '%s'\n", cPatch);
2517 return -1;
2518 }
2519
2520
2521 static
2522 int LocateEmptyPatch(cmsIT8* it8)
2523 {
2524 int i;
2525 const char *data;
2526 TABLE* t = GetTable(it8);
2527
2528 for (i=0; i < t-> nPatches; i++) {
2529
2530 data = GetData(it8, i, t->SampleID);
2531
2532 if (data == NULL)
2533 return i;
2534
2535 }
2536
2537 return -1;
2538 }
2539
2540 static
2541 int LocateSample(cmsIT8* it8, const char* cSample)
2542 {
2543 int i;
2544 const char *fld;
2545 TABLE* t = GetTable(it8);
2546
2547 for (i=0; i < t->nSamples; i++) {
2548
2549 fld = GetDataFormat(it8, i);
2550 if (fld != NULL) {
2551 if (cmsstrcasecmp(fld, cSample) == 0)
2552 return i;
2553 }
2554 }
2555
2556 return -1;
2557
2558 }
2559
2560
2561 int CMSEXPORT cmsIT8FindDataFormat(cmsHANDLE hIT8, const char* cSample)
2562 {
2563 cmsIT8* it8 = (cmsIT8*) hIT8;
2564
2565 _cmsAssert(hIT8 != NULL);
2566
2567 return LocateSample(it8, cSample);
2568 }
2569
2570
2571
2572 const char* CMSEXPORT cmsIT8GetDataRowCol(cmsHANDLE hIT8, int row, int col)
2573 {
2574 cmsIT8* it8 = (cmsIT8*) hIT8;
2575
2576 _cmsAssert(hIT8 != NULL);
2577
2578 return GetData(it8, row, col);
2579 }
2580
2581
2582 cmsFloat64Number CMSEXPORT cmsIT8GetDataRowColDbl(cmsHANDLE hIT8, int row, int col)
2583 {
2584 const char* Buffer;
2585
2586 Buffer = cmsIT8GetDataRowCol(hIT8, row, col);
2587
2588 if (Buffer == NULL) return 0.0;
2589
2590 return ParseFloatNumber(Buffer);
2591 }
2592
2593
2594 cmsBool CMSEXPORT cmsIT8SetDataRowCol(cmsHANDLE hIT8, int row, int col, const char* Val)
2595 {
2596 cmsIT8* it8 = (cmsIT8*) hIT8;
2597
2598 _cmsAssert(hIT8 != NULL);
2599
2600 return SetData(it8, row, col, Val);
2601 }
2602
2603
2604 cmsBool CMSEXPORT cmsIT8SetDataRowColDbl(cmsHANDLE hIT8, int row, int col, cmsFloat64Number Val)
2605 {
2606 cmsIT8* it8 = (cmsIT8*) hIT8;
2607 char Buff[256];
2608
2609 _cmsAssert(hIT8 != NULL);
2610
2611 snprintf(Buff, 255, it8->DoubleFormatter, Val);
2612
2613 return SetData(it8, row, col, Buff);
2614 }
2615
2616
2617
2618 const char* CMSEXPORT cmsIT8GetData(cmsHANDLE hIT8, const char* cPatch, const char* cSample)
2619 {
2620 cmsIT8* it8 = (cmsIT8*) hIT8;
2621 int iField, iSet;
2622
2623 _cmsAssert(hIT8 != NULL);
2624
2625 iField = LocateSample(it8, cSample);
2626 if (iField < 0) {
2627 return NULL;
2628 }
2629
2630 iSet = LocatePatch(it8, cPatch);
2631 if (iSet < 0) {
2632 return NULL;
2633 }
2634
2635 return GetData(it8, iSet, iField);
2636 }
2637
2638
2639 cmsFloat64Number CMSEXPORT cmsIT8GetDataDbl(cmsHANDLE it8, const char* cPatch, const char* cSample)
2640 {
2641 const char* Buffer;
2642
2643 Buffer = cmsIT8GetData(it8, cPatch, cSample);
2644
2645 return ParseFloatNumber(Buffer);
2646 }
2647
2648
2649
2650 cmsBool CMSEXPORT cmsIT8SetData(cmsHANDLE hIT8, const char* cPatch, const char* cSample, const char *Val)
2651 {
2652 cmsIT8* it8 = (cmsIT8*) hIT8;
2653 int iField, iSet;
2654 TABLE* t;
2655
2656 _cmsAssert(hIT8 != NULL);
2657
2658 t = GetTable(it8);
2659
2660 iField = LocateSample(it8, cSample);
2661
2662 if (iField < 0)
2663 return FALSE;
2664
2665 if (t-> nPatches == 0) {
2666
2667 AllocateDataFormat(it8);
2668 AllocateDataSet(it8);
2669 CookPointers(it8);
2670 }
2671
2672 if (cmsstrcasecmp(cSample, "SAMPLE_ID") == 0) {
2673
2674 iSet = LocateEmptyPatch(it8);
2675 if (iSet < 0) {
2676 return SynError(it8, "Couldn't add more patches '%s'\n", cPatch);
2677 }
2678
2679 iField = t -> SampleID;
2680 }
2681 else {
2682 iSet = LocatePatch(it8, cPatch);
2683 if (iSet < 0) {
2684 return FALSE;
2685 }
2686 }
2687
2688 return SetData(it8, iSet, iField, Val);
2689 }
2690
2691
2692 cmsBool CMSEXPORT cmsIT8SetDataDbl(cmsHANDLE hIT8, const char* cPatch,
2693 const char* cSample,
2694 cmsFloat64Number Val)
2695 {
2696 cmsIT8* it8 = (cmsIT8*) hIT8;
2697 char Buff[256];
2698
2699 _cmsAssert(hIT8 != NULL);
2700
2701 snprintf(Buff, 255, it8->DoubleFormatter, Val);
2702 return cmsIT8SetData(hIT8, cPatch, cSample, Buff);
2703 }
2704
2705 // Buffer should get MAXSTR at least
2706
2707 const char* CMSEXPORT cmsIT8GetPatchName(cmsHANDLE hIT8, int nPatch, char* buffer)
2708 {
2709 cmsIT8* it8 = (cmsIT8*) hIT8;
2710 TABLE* t;
2711 char* Data;
2712
2713 _cmsAssert(hIT8 != NULL);
2714
2715 t = GetTable(it8);
2716 Data = GetData(it8, nPatch, t->SampleID);
2717
2718 if (!Data) return NULL;
2719 if (!buffer) return Data;
2720
2721 strncpy(buffer, Data, MAXSTR-1);
2722 buffer[MAXSTR-1] = 0;
2723 return buffer;
2724 }
2725
2726 int CMSEXPORT cmsIT8GetPatchByName(cmsHANDLE hIT8, const char *cPatch)
2727 {
2728 _cmsAssert(hIT8 != NULL);
2729
2730 return LocatePatch((cmsIT8*)hIT8, cPatch);
2731 }
2732
2733 cmsUInt32Number CMSEXPORT cmsIT8TableCount(cmsHANDLE hIT8)
2734 {
2735 cmsIT8* it8 = (cmsIT8*) hIT8;
2736
2737 _cmsAssert(hIT8 != NULL);
2738
2739 return it8 ->TablesCount;
2740 }
2741
2742 // This handles the "LABEL" extension.
2743 // Label, nTable, Type
2744
2745 int CMSEXPORT cmsIT8SetTableByLabel(cmsHANDLE hIT8, const char* cSet, const char* cField, const char* ExpectedType)
2746 {
2747 const char* cLabelFld;
2748 char Type[256], Label[256];
2749 cmsUInt32Number nTable;
2750
2751 _cmsAssert(hIT8 != NULL);
2752
2753 if (cField != NULL && *cField == 0)
2754 cField = "LABEL";
2755
2756 if (cField == NULL)
2757 cField = "LABEL";
2758
2759 cLabelFld = cmsIT8GetData(hIT8, cSet, cField);
2760 if (!cLabelFld) return -1;
2761
2762 if (sscanf(cLabelFld, "%255s %u %255s", Label, &nTable, Type) != 3)
2763 return -1;
2764
2765 if (ExpectedType != NULL && *ExpectedType == 0)
2766 ExpectedType = NULL;
2767
2768 if (ExpectedType) {
2769
2770 if (cmsstrcasecmp(Type, ExpectedType) != 0) return -1;
2771 }
2772
2773 return cmsIT8SetTable(hIT8, nTable);
2774 }
2775
2776
2777 cmsBool CMSEXPORT cmsIT8SetIndexColumn(cmsHANDLE hIT8, const char* cSample)
2778 {
2779 cmsIT8* it8 = (cmsIT8*) hIT8;
2780 int pos;
2781
2782 _cmsAssert(hIT8 != NULL);
2783
2784 pos = LocateSample(it8, cSample);
2785 if(pos == -1)
2786 return FALSE;
2787
2788 it8->Tab[it8->nTable].SampleID = pos;
2789 return TRUE;
2790 }
2791
2792
2793 void CMSEXPORT cmsIT8DefineDblFormat(cmsHANDLE hIT8, const char* Formatter)
2794 {
2795 cmsIT8* it8 = (cmsIT8*) hIT8;
2796
2797 _cmsAssert(hIT8 != NULL);
2798
2799 if (Formatter == NULL)
2800 strcpy(it8->DoubleFormatter, DEFAULT_DBL_FORMAT);
2801 else
2802 strncpy(it8->DoubleFormatter, Formatter, sizeof(it8->DoubleFormatter));
2803
2804 it8 ->DoubleFormatter[sizeof(it8 ->DoubleFormatter)-1] = 0;
2805 }
2806