-/***************************************************************************/
-/* */
-/* cidparse.c */
-/* */
-/* CID-keyed Type1 parser (body). */
-/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
-
-#include <ft2build.h>
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_CALC_H
-#include FT_INTERNAL_OBJECTS_H
-#include FT_INTERNAL_STREAM_H
-
-#include "cidparse.h"
-
-#include "ciderrs.h"
-
-
- /*************************************************************************/
- /* */
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
- /* messages during execution. */
- /* */
-#undef FT_COMPONENT
-#define FT_COMPONENT trace_cidparse
-
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** INPUT STREAM PARSER *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
-
- FT_LOCAL_DEF( FT_Error )
- cid_parser_new( CID_Parser* parser,
- FT_Stream stream,
- FT_Memory memory,
- PSAux_Service psaux )
- {
- FT_Error error;
- FT_ULong base_offset, offset, ps_len;
- FT_Byte *cur, *limit;
- FT_Byte *arg1, *arg2;
-
-
- FT_MEM_ZERO( parser, sizeof ( *parser ) );
- psaux->ps_parser_funcs->init( &parser->root, 0, 0, memory );
-
- parser->stream = stream;
-
- base_offset = FT_STREAM_POS();
-
- /* first of all, check the font format in the header */
- if ( FT_FRAME_ENTER( 31 ) )
- goto Exit;
-
- if ( ft_strncmp( (char *)stream->cursor,
- "%!PS-Adobe-3.0 Resource-CIDFont", 31 ) )
- {
- FT_TRACE2(( "[not a valid CID-keyed font]\n" ));
- error = CID_Err_Unknown_File_Format;
- }
-
- FT_FRAME_EXIT();
- if ( error )
- goto Exit;
-
- Again:
- /* now, read the rest of the file until we find */
- /* `StartData' or `/sfnts' */
- {
- FT_Byte buffer[256 + 10];
- FT_Int read_len = 256 + 10;
- FT_Byte* p = buffer;
-
-
- for ( offset = (FT_ULong)FT_STREAM_POS(); ; offset += 256 )
- {
- FT_Int stream_len;
-
-
- stream_len = stream->size - FT_STREAM_POS();
- if ( stream_len == 0 )
- {
- FT_TRACE2(( "cid_parser_new: no `StartData' keyword found\n" ));
- error = CID_Err_Unknown_File_Format;
- goto Exit;
- }
-
- read_len = FT_MIN( read_len, stream_len );
- if ( FT_STREAM_READ( p, read_len ) )
- goto Exit;
-
- if ( read_len < 256 )
- p[read_len] = '\0';
-
- limit = p + read_len - 10;
-
- for ( p = buffer; p < limit; p++ )
- {
- if ( p[0] == 'S' && ft_strncmp( (char*)p, "StartData", 9 ) == 0 )
- {
- /* save offset of binary data after `StartData' */
- offset += p - buffer + 10;
- goto Found;
- }
- else if ( p[1] == 's' && ft_strncmp( (char*)p, "/sfnts", 6 ) == 0 )
- {
- offset += p - buffer + 7;
- goto Found;
- }
- }
-
- FT_MEM_MOVE( buffer, p, 10 );
- read_len = 256;
- p = buffer + 10;
- }
- }
-
- Found:
- /* We have found the start of the binary data or the `/sfnts' token. */
- /* Now rewind and extract the frame corresponding to this PostScript */
- /* section. */
-
- ps_len = offset - base_offset;
- if ( FT_STREAM_SEEK( base_offset ) ||
- FT_FRAME_EXTRACT( ps_len, parser->postscript ) )
- goto Exit;
-
- parser->data_offset = offset;
- parser->postscript_len = ps_len;
- parser->root.base = parser->postscript;
- parser->root.cursor = parser->postscript;
- parser->root.limit = parser->root.cursor + ps_len;
- parser->num_dict = -1;
-
- /* Finally, we check whether `StartData' or `/sfnts' was real -- */
- /* it could be in a comment or string. We also get the arguments */
- /* of `StartData' to find out whether the data is represented in */
- /* binary or hex format. */
-
- arg1 = parser->root.cursor;
- cid_parser_skip_PS_token( parser );
- cid_parser_skip_spaces ( parser );
- arg2 = parser->root.cursor;
- cid_parser_skip_PS_token( parser );
- cid_parser_skip_spaces ( parser );
-
- limit = parser->root.limit;
- cur = parser->root.cursor;
-
- while ( cur < limit )
- {
- if ( parser->root.error )
- {
- error = parser->root.error;
- goto Exit;
- }
-
- if ( cur[0] == 'S' && ft_strncmp( (char*)cur, "StartData", 9 ) == 0 )
- {
- if ( ft_strncmp( (char*)arg1, "(Hex)", 5 ) == 0 )
- parser->binary_length = ft_atol( (const char *)arg2 );
-
- limit = parser->root.limit;
- cur = parser->root.cursor;
- goto Exit;
- }
- else if ( cur[1] == 's' && ft_strncmp( (char*)cur, "/sfnts", 6 ) == 0 )
- {
- FT_TRACE2(( "cid_parser_new: cannot handle Type 11 fonts\n" ));
- error = CID_Err_Unknown_File_Format;
- goto Exit;
- }
-
- cid_parser_skip_PS_token( parser );
- cid_parser_skip_spaces ( parser );
- arg1 = arg2;
- arg2 = cur;
- cur = parser->root.cursor;
- }
-
- /* we haven't found the correct `StartData'; go back and continue */
- /* searching */
- FT_FRAME_RELEASE( parser->postscript );
- if ( !FT_STREAM_SEEK( offset ) )
- goto Again;
-
- Exit:
- return error;
- }
-
-
- FT_LOCAL_DEF( void )
- cid_parser_done( CID_Parser* parser )
- {
- /* always free the private dictionary */
- if ( parser->postscript )
- {
- FT_Stream stream = parser->stream;
-
-
- FT_FRAME_RELEASE( parser->postscript );
- }
- parser->root.funcs.done( &parser->root );
- }
-
-
-/* END */
+/***************************************************************************/\r
+/* */\r
+/* cidparse.c */\r
+/* */\r
+/* CID-keyed Type1 parser (body). */\r
+/* */\r
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */\r
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */\r
+/* */\r
+/* This file is part of the FreeType project, and may only be used, */\r
+/* modified, and distributed under the terms of the FreeType project */\r
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */\r
+/* this file you indicate that you have read the license and */\r
+/* understand and accept it fully. */\r
+/* */\r
+/***************************************************************************/\r
+\r
+\r
+#include <ft2build.h>\r
+#include FT_INTERNAL_DEBUG_H\r
+#include FT_INTERNAL_CALC_H\r
+#include FT_INTERNAL_OBJECTS_H\r
+#include FT_INTERNAL_STREAM_H\r
+\r
+#include "cidparse.h"\r
+\r
+#include "ciderrs.h"\r
+\r
+\r
+ /*************************************************************************/\r
+ /* */\r
+ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */\r
+ /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */\r
+ /* messages during execution. */\r
+ /* */\r
+#undef FT_COMPONENT\r
+#define FT_COMPONENT trace_cidparse\r
+\r
+\r
+ /*************************************************************************/\r
+ /*************************************************************************/\r
+ /*************************************************************************/\r
+ /***** *****/\r
+ /***** INPUT STREAM PARSER *****/\r
+ /***** *****/\r
+ /*************************************************************************/\r
+ /*************************************************************************/\r
+ /*************************************************************************/\r
+\r
+\r
+ FT_LOCAL_DEF( FT_Error )\r
+ cid_parser_new( CID_Parser* parser,\r
+ FT_Stream stream,\r
+ FT_Memory memory,\r
+ PSAux_Service psaux )\r
+ {\r
+ FT_Error error;\r
+ FT_ULong base_offset, offset, ps_len;\r
+ FT_Byte *cur, *limit;\r
+ FT_Byte *arg1, *arg2;\r
+\r
+\r
+ FT_MEM_ZERO( parser, sizeof ( *parser ) );\r
+ psaux->ps_parser_funcs->init( &parser->root, 0, 0, memory );\r
+\r
+ parser->stream = stream;\r
+\r
+ base_offset = FT_STREAM_POS();\r
+\r
+ /* first of all, check the font format in the header */\r
+ if ( FT_FRAME_ENTER( 31 ) )\r
+ goto Exit;\r
+\r
+ if ( ft_strncmp( (char *)stream->cursor,\r
+ "%!PS-Adobe-3.0 Resource-CIDFont", 31 ) )\r
+ {\r
+ FT_TRACE2(( "[not a valid CID-keyed font]\n" ));\r
+ error = CID_Err_Unknown_File_Format;\r
+ }\r
+\r
+ FT_FRAME_EXIT();\r
+ if ( error )\r
+ goto Exit;\r
+\r
+ Again:\r
+ /* now, read the rest of the file until we find */\r
+ /* `StartData' or `/sfnts' */\r
+ {\r
+ FT_Byte buffer[256 + 10];\r
+ FT_Int read_len = 256 + 10;\r
+ FT_Byte* p = buffer;\r
+\r
+\r
+ for ( offset = (FT_ULong)FT_STREAM_POS(); ; offset += 256 )\r
+ {\r
+ FT_Int stream_len;\r
+\r
+\r
+ stream_len = stream->size - FT_STREAM_POS();\r
+ if ( stream_len == 0 )\r
+ {\r
+ FT_TRACE2(( "cid_parser_new: no `StartData' keyword found\n" ));\r
+ error = CID_Err_Unknown_File_Format;\r
+ goto Exit;\r
+ }\r
+\r
+ read_len = FT_MIN( read_len, stream_len );\r
+ if ( FT_STREAM_READ( p, read_len ) )\r
+ goto Exit;\r
+\r
+ if ( read_len < 256 )\r
+ p[read_len] = '\0';\r
+\r
+ limit = p + read_len - 10;\r
+\r
+ for ( p = buffer; p < limit; p++ )\r
+ {\r
+ if ( p[0] == 'S' && ft_strncmp( (char*)p, "StartData", 9 ) == 0 )\r
+ {\r
+ /* save offset of binary data after `StartData' */\r
+ offset += p - buffer + 10;\r
+ goto Found;\r
+ }\r
+ else if ( p[1] == 's' && ft_strncmp( (char*)p, "/sfnts", 6 ) == 0 )\r
+ {\r
+ offset += p - buffer + 7;\r
+ goto Found;\r
+ }\r
+ }\r
+\r
+ FT_MEM_MOVE( buffer, p, 10 );\r
+ read_len = 256;\r
+ p = buffer + 10;\r
+ }\r
+ }\r
+\r
+ Found:\r
+ /* We have found the start of the binary data or the `/sfnts' token. */\r
+ /* Now rewind and extract the frame corresponding to this PostScript */\r
+ /* section. */\r
+\r
+ ps_len = offset - base_offset;\r
+ if ( FT_STREAM_SEEK( base_offset ) ||\r
+ FT_FRAME_EXTRACT( ps_len, parser->postscript ) )\r
+ goto Exit;\r
+\r
+ parser->data_offset = offset;\r
+ parser->postscript_len = ps_len;\r
+ parser->root.base = parser->postscript;\r
+ parser->root.cursor = parser->postscript;\r
+ parser->root.limit = parser->root.cursor + ps_len;\r
+ parser->num_dict = -1;\r
+\r
+ /* Finally, we check whether `StartData' or `/sfnts' was real -- */\r
+ /* it could be in a comment or string. We also get the arguments */\r
+ /* of `StartData' to find out whether the data is represented in */\r
+ /* binary or hex format. */\r
+\r
+ arg1 = parser->root.cursor;\r
+ cid_parser_skip_PS_token( parser );\r
+ cid_parser_skip_spaces ( parser );\r
+ arg2 = parser->root.cursor;\r
+ cid_parser_skip_PS_token( parser );\r
+ cid_parser_skip_spaces ( parser );\r
+\r
+ limit = parser->root.limit;\r
+ cur = parser->root.cursor;\r
+\r
+ while ( cur < limit )\r
+ {\r
+ if ( parser->root.error )\r
+ {\r
+ error = parser->root.error;\r
+ goto Exit;\r
+ }\r
+\r
+ if ( cur[0] == 'S' && ft_strncmp( (char*)cur, "StartData", 9 ) == 0 )\r
+ {\r
+ if ( ft_strncmp( (char*)arg1, "(Hex)", 5 ) == 0 )\r
+ parser->binary_length = ft_atol( (const char *)arg2 );\r
+\r
+ limit = parser->root.limit;\r
+ cur = parser->root.cursor;\r
+ goto Exit;\r
+ }\r
+ else if ( cur[1] == 's' && ft_strncmp( (char*)cur, "/sfnts", 6 ) == 0 )\r
+ {\r
+ FT_TRACE2(( "cid_parser_new: cannot handle Type 11 fonts\n" ));\r
+ error = CID_Err_Unknown_File_Format;\r
+ goto Exit;\r
+ }\r
+\r
+ cid_parser_skip_PS_token( parser );\r
+ cid_parser_skip_spaces ( parser );\r
+ arg1 = arg2;\r
+ arg2 = cur;\r
+ cur = parser->root.cursor;\r
+ }\r
+\r
+ /* we haven't found the correct `StartData'; go back and continue */\r
+ /* searching */\r
+ FT_FRAME_RELEASE( parser->postscript );\r
+ if ( !FT_STREAM_SEEK( offset ) )\r
+ goto Again;\r
+\r
+ Exit:\r
+ return error;\r
+ }\r
+\r
+\r
+ FT_LOCAL_DEF( void )\r
+ cid_parser_done( CID_Parser* parser )\r
+ {\r
+ /* always free the private dictionary */\r
+ if ( parser->postscript )\r
+ {\r
+ FT_Stream stream = parser->stream;\r
+\r
+\r
+ FT_FRAME_RELEASE( parser->postscript );\r
+ }\r
+ parser->root.funcs.done( &parser->root );\r
+ }\r
+\r
+\r
+/* END */\r
projects / reactos.git / blobdiff