532 *next++ = '.';
533 strncpy(next, extension, length); next += length;
534 }
535 // Make sure there is no buffer overflow.
536 assert((size_t)(next - path) < max && "buffer overflow");
537 // Terminate string.
538 *next = '\0';
539 }
540
541 // Verify that a found location matches the supplied path (without copying.)
542 bool ImageFileReader::verify_location(ImageLocation& location, const char* path) const {
543 // Manage the image string table.
544 ImageStrings strings(_string_bytes, _header.strings_size(_endian));
545 // Position to first character of the path string.
546 const char* next = path;
547 // Get module name string.
548 const char* module = location.get_attribute(ImageLocation::ATTRIBUTE_MODULE, strings);
549 // If module string is not empty.
550 if (*module != '\0') {
551 // Compare '/module/' .
552 if (*next++ != '/') return false;
553 if (!(next = ImageStrings::starts_with(next, module))) return false;
554 if (*next++ != '/') return false;
555 }
556 // Get parent (package) string
557 const char* parent = location.get_attribute(ImageLocation::ATTRIBUTE_PARENT, strings);
558 // If parent string is not empty string.
559 if (*parent != '\0') {
560 // Compare 'parent/' .
561 if (!(next = ImageStrings::starts_with(next, parent))) return false;
562 if (*next++ != '/') return false;
563 }
564 // Get base name string.
565 const char* base = location.get_attribute(ImageLocation::ATTRIBUTE_BASE, strings);
566 // Compare with basne name.
567 if (!(next = ImageStrings::starts_with(next, base))) return false;
568 // Get extension string.
569 const char* extension = location.get_attribute(ImageLocation::ATTRIBUTE_EXTENSION, strings);
570 // If extension is not empty.
571 if (*extension != '\0') {
572 // Compare '.extension' .
573 if (*next++ != '.') return false;
574 if (!(next = ImageStrings::starts_with(next, extension))) return false;
575 }
576 // True only if complete match and no more characters.
577 return *next == '\0';
578 }
579
580 // Return the resource for the supplied location offset.
581 void ImageFileReader::get_resource(u4 offset, u1* uncompressed_data) const {
582 // Get address of first byte of location attribute stream.
583 u1* data = get_location_offset_data(offset);
584 // Expand location attributes.
585 ImageLocation location(data);
586 // Read the data
587 get_resource(location, uncompressed_data);
588 }
589
590 // Return the resource for the supplied location.
591 void ImageFileReader::get_resource(ImageLocation& location, u1* uncompressed_data) const {
592 // Retrieve the byte offset and size of the resource.
593 u8 offset = location.get_attribute(ImageLocation::ATTRIBUTE_OFFSET);
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532 *next++ = '.';
533 strncpy(next, extension, length); next += length;
534 }
535 // Make sure there is no buffer overflow.
536 assert((size_t)(next - path) < max && "buffer overflow");
537 // Terminate string.
538 *next = '\0';
539 }
540
541 // Verify that a found location matches the supplied path (without copying.)
542 bool ImageFileReader::verify_location(ImageLocation& location, const char* path) const {
543 // Manage the image string table.
544 ImageStrings strings(_string_bytes, _header.strings_size(_endian));
545 // Position to first character of the path string.
546 const char* next = path;
547 // Get module name string.
548 const char* module = location.get_attribute(ImageLocation::ATTRIBUTE_MODULE, strings);
549 // If module string is not empty.
550 if (*module != '\0') {
551 // Compare '/module/' .
552 if (*next != '/') return false;
553 next++;
554 if (!(next = ImageStrings::starts_with(next, module))) return false;
555 if (*next != '/') return false;
556 next++;
557 }
558 // Get parent (package) string
559 const char* parent = location.get_attribute(ImageLocation::ATTRIBUTE_PARENT, strings);
560 // If parent string is not empty string.
561 if (*parent != '\0') {
562 // Compare 'parent/' .
563 if (!(next = ImageStrings::starts_with(next, parent))) return false;
564 if (*next != '/') return false;
565 next++;
566 }
567 // Get base name string.
568 const char* base = location.get_attribute(ImageLocation::ATTRIBUTE_BASE, strings);
569 // Compare with basne name.
570 if (!(next = ImageStrings::starts_with(next, base))) return false;
571 // Get extension string.
572 const char* extension = location.get_attribute(ImageLocation::ATTRIBUTE_EXTENSION, strings);
573 // If extension is not empty.
574 if (*extension != '\0') {
575 // Compare '.extension' .
576 if (*next != '.') return false;
577 next++;
578 if (!(next = ImageStrings::starts_with(next, extension))) return false;
579 }
580 // True only if complete match and no more characters.
581 return *next == '\0';
582 }
583
584 // Return the resource for the supplied location offset.
585 void ImageFileReader::get_resource(u4 offset, u1* uncompressed_data) const {
586 // Get address of first byte of location attribute stream.
587 u1* data = get_location_offset_data(offset);
588 // Expand location attributes.
589 ImageLocation location(data);
590 // Read the data
591 get_resource(location, uncompressed_data);
592 }
593
594 // Return the resource for the supplied location.
595 void ImageFileReader::get_resource(ImageLocation& location, u1* uncompressed_data) const {
596 // Retrieve the byte offset and size of the resource.
597 u8 offset = location.get_attribute(ImageLocation::ATTRIBUTE_OFFSET);
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