8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package build.tools.spp;
27
28 import java.util.*;
29 import java.util.regex.*;
30
31 /*
32 * Spp: A simple regex-based stream preprocessor based on Mark Reinhold's
33 * sed-based spp.sh
34 *
35 * Usage: java build.tools.spp.Spp [-be] [-nel] [-Kkey] -Dvar=value ... <in >out
36 *
37 * If -nel is declared then empty lines will not be substituted for lines of
38 * text in the template that do not appear in the output.
39 *
40 * Meaningful only at beginning of line, works with any number of keys:
41 *
42 * #if[key] Includes text between #if/#end if -Kkey specified,
43 * #else[key] otherwise changes text to blank lines; key test
44 * #end[key] may be negated by prefixing !, e.g., #if[!key]
45 *
46 * #begin If -be is specified then lines up to and including
47 * #end #begin, and from #end to EOF, are deleted
52 *
53 * Meaningful anywhere in line
54 *
55 * {#if[key]?yes} Expands to yes if -Kkey specified
56 * {#if[key]?yes:no} Expands to yes if -Kkey, otherwise no
57 * {#if[!key]?yes} Expands to yes if -Kother
58 * {#if[!key]?yes:no} Expands to yes if -Kother, otherwise no
59 * $var$ Expands to value if -Dvar=value given
60 *
61 * yes, no must not contain whitespace
62 *
63 * @author Xueming Shen
64 */
65
66 public class Spp {
67 public static void main(String args[]) throws Exception {
68 Map<String, String> vars = new HashMap<>();
69 Set<String> keys = new HashSet<>();
70 boolean be = false;
71 boolean el = true;
72
73 for (String arg:args) {
74 if (arg.startsWith("-D")) {
75 int i = arg.indexOf('=');
76 vars.put(arg.substring(2, i),arg.substring(i+1));
77 } else if (arg.startsWith("-K")) {
78 keys.add(arg.substring(2));
79 } else if ("-be".equals(arg)) {
80 be = true;
81 } else if ("-nel".equals(arg)) {
82 el = false;
83 } else {
84 System.err.println("Usage: java build.tools.spp.Spp [-be] [-nel] [-Kkey] -Dvar=value ... <in >out");
85 System.exit(-1);
86 }
87 }
88
89 StringBuffer out = new StringBuffer();
90 new Spp().spp(new Scanner(System.in),
91 out, "",
92 keys, vars, be, el,
93 false);
94 System.out.print(out.toString());
95 }
96
97 static final String LNSEP = System.getProperty("line.separator");
98 static final String KEY = "([a-zA-Z0-9]+)";
99 static final String VAR = "([a-zA-Z0-9_\\-]+)";
100 static final String TEXT = "([a-zA-Z0-9&;,.<>/#() \\?\\[\\]\\$]+)"; // $ -- hack embedded $var$
101
102 static final int GN_NOT = 1;
103 static final int GN_KEY = 2;
104 static final int GN_YES = 3;
105 static final int GN_NO = 5;
106 static final int GN_VAR = 6;
107
108 final Matcher ifkey = Pattern.compile("^#if\\[(!)?" + KEY + "\\]").matcher("");
109 final Matcher elsekey = Pattern.compile("^#else\\[(!)?" + KEY + "\\]").matcher("");
110 final Matcher endkey = Pattern.compile("^#end\\[(!)?" + KEY + "\\]").matcher("");
111 final Matcher vardef = Pattern.compile("\\{#if\\[(!)?" + KEY + "\\]\\?" + TEXT + "(:"+ TEXT + ")?\\}|\\$" + VAR + "\\$").matcher("");
112 final Matcher vardef2 = Pattern.compile("\\$" + VAR + "\\$").matcher("");
113
114 void append(StringBuffer buf, String ln,
|
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package build.tools.spp;
27
28 import java.io.FileInputStream;
29 import java.io.FileOutputStream;
30 import java.util.*;
31 import java.util.regex.*;
32
33 /*
34 * Spp: A simple regex-based stream preprocessor based on Mark Reinhold's
35 * sed-based spp.sh
36 *
37 * Usage: java build.tools.spp.Spp [-be] [-nel] [-Kkey] -Dvar=value ... <in >out
38 *
39 * If -nel is declared then empty lines will not be substituted for lines of
40 * text in the template that do not appear in the output.
41 *
42 * Meaningful only at beginning of line, works with any number of keys:
43 *
44 * #if[key] Includes text between #if/#end if -Kkey specified,
45 * #else[key] otherwise changes text to blank lines; key test
46 * #end[key] may be negated by prefixing !, e.g., #if[!key]
47 *
48 * #begin If -be is specified then lines up to and including
49 * #end #begin, and from #end to EOF, are deleted
54 *
55 * Meaningful anywhere in line
56 *
57 * {#if[key]?yes} Expands to yes if -Kkey specified
58 * {#if[key]?yes:no} Expands to yes if -Kkey, otherwise no
59 * {#if[!key]?yes} Expands to yes if -Kother
60 * {#if[!key]?yes:no} Expands to yes if -Kother, otherwise no
61 * $var$ Expands to value if -Dvar=value given
62 *
63 * yes, no must not contain whitespace
64 *
65 * @author Xueming Shen
66 */
67
68 public class Spp {
69 public static void main(String args[]) throws Exception {
70 Map<String, String> vars = new HashMap<>();
71 Set<String> keys = new HashSet<>();
72 boolean be = false;
73 boolean el = true;
74 String inputFile = null;
75 String outputFile = null;
76
77 for (String arg:args) {
78 if (arg.startsWith("-D")) {
79 int i = arg.indexOf('=');
80 vars.put(arg.substring(2, i),arg.substring(i+1));
81 } else if (arg.startsWith("-K")) {
82 keys.add(arg.substring(2));
83 } else if (arg.startsWith("-i")) {
84 inputFile = arg.substring(2);
85 } else if (arg.startsWith("-o")) {
86 outputFile = arg.substring(2);
87 } else if ("-be".equals(arg)) {
88 be = true;
89 } else if ("-nel".equals(arg)) {
90 el = false;
91 } else {
92 System.err.println("Usage: java build.tools.spp.Spp [-be] [-nel] [-Kkey] -Dvar=value ... <in >out");
93 System.exit(-1);
94 }
95 }
96
97 StringBuffer out = new StringBuffer();
98 new Spp().spp(new Scanner(new FileInputStream(inputFile)),
99 out, "",
100 keys, vars, be, el,
101 false);
102 new FileOutputStream(outputFile, true).write(out.toString().getBytes());
103 }
104
105 static final String LNSEP = System.getProperty("line.separator");
106 static final String KEY = "([a-zA-Z0-9]+)";
107 static final String VAR = "([a-zA-Z0-9_\\-]+)";
108 static final String TEXT = "([a-zA-Z0-9&;,.<>/#() \\?\\[\\]\\$]+)"; // $ -- hack embedded $var$
109
110 static final int GN_NOT = 1;
111 static final int GN_KEY = 2;
112 static final int GN_YES = 3;
113 static final int GN_NO = 5;
114 static final int GN_VAR = 6;
115
116 final Matcher ifkey = Pattern.compile("^#if\\[(!)?" + KEY + "\\]").matcher("");
117 final Matcher elsekey = Pattern.compile("^#else\\[(!)?" + KEY + "\\]").matcher("");
118 final Matcher endkey = Pattern.compile("^#end\\[(!)?" + KEY + "\\]").matcher("");
119 final Matcher vardef = Pattern.compile("\\{#if\\[(!)?" + KEY + "\\]\\?" + TEXT + "(:"+ TEXT + ")?\\}|\\$" + VAR + "\\$").matcher("");
120 final Matcher vardef2 = Pattern.compile("\\$" + VAR + "\\$").matcher("");
121
122 void append(StringBuffer buf, String ln,
|