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Diffstat (limited to 'dvi/dvilib/dl-dvi-parser.cc')
-rwxr-xr-xdvi/dvilib/dl-dvi-parser.cc590
1 files changed, 0 insertions, 590 deletions
diff --git a/dvi/dvilib/dl-dvi-parser.cc b/dvi/dvilib/dl-dvi-parser.cc
deleted file mode 100755
index e437261..0000000
--- a/dvi/dvilib/dl-dvi-parser.cc
+++ /dev/null
@@ -1,590 +0,0 @@
-#include "dl-dvi-parser.hh"
-
-using namespace DviLib;
-
-enum DviOpcode {
- DVI_SETCHAR0 = 0, /* 128 of these */
- DVI_SETCHAR127 = 127,
- DVI_SET1,
- DVI_SET2,
- DVI_SET3,
- DVI_SET4,
- DVI_SETRULE,
- DVI_PUT1,
- DVI_PUT2,
- DVI_PUT3,
- DVI_PUT4,
- DVI_PUTRULE,
- DVI_NOP,
- DVI_BOP,
- DVI_EOP,
- DVI_PUSH,
- DVI_POP,
- DVI_RIGHT1,
- DVI_RIGHT2,
- DVI_RIGHT3,
- DVI_RIGHT4,
- DVI_W0,
- DVI_W1,
- DVI_W2,
- DVI_W3,
- DVI_W4,
- DVI_X0,
- DVI_X1,
- DVI_X2,
- DVI_X3,
- DVI_X4,
- DVI_DOWN1,
- DVI_DOWN2,
- DVI_DOWN3,
- DVI_DOWN4,
- DVI_Y0,
- DVI_Y1,
- DVI_Y2,
- DVI_Y3,
- DVI_Y4,
- DVI_Z0,
- DVI_Z1,
- DVI_Z2,
- DVI_Z3,
- DVI_Z4,
- DVI_FONTNUM0 = 171, /* 64 of these */
- DVI_FONTNUM63 = 234,
- DVI_FNT1,
- DVI_FNT2,
- DVI_FNT3,
- DVI_FNT4,
- DVI_XXX1,
- DVI_XXX2,
- DVI_XXX3,
- DVI_XXX4,
- DVI_FNTDEF1,
- DVI_FNTDEF2,
- DVI_FNTDEF3,
- DVI_FNTDEF4,
- DVI_PRE,
- DVI_POST,
- DVI_POSTPOST = 249
-};
-
-static void
-skip_font_definition (AbstractLoader& l, uint *count)
-{
- *count += 12;
- l.skip_n (12);
-
- *count += 2;
- uint dl = l.get_uint8();
- uint nl = l.get_uint8();
-
- *count += dl+nl;
- l.skip_n (dl+nl);
-}
-
-static DviCommand *
-parse_command (AbstractLoader &l, uint *count, DviOpcode *opcode)
-{
- int h, w;
- string error;
- string s;
-
- *opcode = (DviOpcode)l.get_uint8 ();
- *count += 1;
-
- if (DVI_SETCHAR0 <= *opcode && *opcode <= DVI_SETCHAR127)
- return new DviSetCharCommand (*opcode);
- else if (DVI_FONTNUM0 <= *opcode && *opcode <= DVI_FONTNUM63)
- return new DviFontNumCommand (*opcode - DVI_FONTNUM0);
- else switch (*opcode) {
- case DVI_SET1:
- *count += 1;
- return new DviSetCharCommand (l.get_uint8());
- break;
- case DVI_SET2:
- *count += 2;
- return new DviSetCharCommand (l.get_uint16());
- break;
- case DVI_SET3:
- *count += 3;
- return new DviSetCharCommand (l.get_uint24());
- break;
- case DVI_SET4:
- *count += 4;
- return new DviSetCharCommand (l.get_uint32());
- break;
- case DVI_SETRULE:
- *count += 8;
- h = l.get_int32 ();
- w = l.get_int32 ();
- return new DviSetRuleCommand (h, w);
- break;
- case DVI_PUT1:
- *count += 1;
- return new DviPutCharCommand (l.get_uint8());
- break;
- case DVI_PUT2:
- *count += 2;
- return new DviPutCharCommand (l.get_uint16());
- break;
- case DVI_PUT3:
- *count += 3;
- return new DviPutCharCommand (l.get_uint24());
- break;
- case DVI_PUT4:
- *count += 4;
- return new DviPutCharCommand (l.get_uint32());
- break;
- case DVI_PUTRULE:
- *count += 8;
- h = l.get_int32();
- w = l.get_int32();
- return new DviPutRuleCommand (h, w);
- break;
- case DVI_PUSH:
- return new DviPushCommand();
- break;
- case DVI_POP:
- return new DviPopCommand();
- break;
- case DVI_RIGHT1:
- *count += 1;
- return new DviRightCommand (l.get_int8());
- break;
- case DVI_RIGHT2:
- *count += 2;
- return new DviRightCommand (l.get_int16());
- break;
- case DVI_RIGHT3:
- *count += 3;
- return new DviRightCommand (l.get_int24());
- break;
- case DVI_RIGHT4:
- *count += 4;
- return new DviRightCommand (l.get_int32());
- break;
- case DVI_W0:
- return new DviWRepCommand ();
- break;
- case DVI_W1:
- *count += 1;
- return new DviWCommand (l.get_int8());
- break;
- case DVI_W2:
- *count += 2;
- return new DviWCommand (l.get_int16());
- break;
- case DVI_W3:
- *count += 3;
- return new DviWCommand (l.get_int24());
- break;
- case DVI_W4:
- *count += 4;
- return new DviWCommand (l.get_int32());
- break;
- case DVI_X0:
- return new DviXRepCommand ();
- break;
- case DVI_X1:
- *count += 1;
- return new DviXCommand (l.get_int8());
- break;
- case DVI_X2:
- *count += 2;
- return new DviXCommand (l.get_int16());
- break;
- case DVI_X3:
- *count += 3;
- return new DviXCommand (l.get_int24());
- break;
- case DVI_X4:
- *count += 4;
- return new DviXCommand (l.get_int32());
- break;
- case DVI_DOWN1:
- *count += 1;
- return new DviDownCommand (l.get_int8());
- break;
- case DVI_DOWN2:
- *count += 2;
- return new DviDownCommand (l.get_int16());
- break;
- case DVI_DOWN3:
- *count += 3;
- return new DviDownCommand (l.get_int24());
- break;
- case DVI_DOWN4:
- *count += 4;
- return new DviDownCommand (l.get_int32());
- break;
- case DVI_Y0:
- return new DviYRepCommand ();
- break;
- case DVI_Y1:
- *count += 1;
- return new DviYCommand (l.get_int8());
- break;
- case DVI_Y2:
- *count += 2;
- return new DviYCommand (l.get_int16());
- break;
- case DVI_Y3:
- *count += 3;
- return new DviYCommand (l.get_int24());
- break;
- case DVI_Y4:
- *count += 4;
- return new DviYCommand (l.get_int32());
- break;
- case DVI_Z0:
- return new DviZRepCommand ();
- break;
- case DVI_Z1:
- *count += 1;
- return new DviZCommand (l.get_int8());
- break;
- case DVI_Z2:
- *count += 2;
- return new DviZCommand (l.get_int16());
- break;
- case DVI_Z3:
- *count += 3;
- return new DviZCommand (l.get_int24());
- break;
- case DVI_Z4:
- *count += 4;
- return new DviZCommand (l.get_int32());
- break;
- case DVI_FNT1:
- *count += 1;
- return new DviFontNumCommand (l.get_uint8());
- break;
- case DVI_FNT2:
- *count += 2;
- return new DviFontNumCommand (l.get_uint16());
- break;
- case DVI_FNT3:
- *count += 3;
- return new DviFontNumCommand (l.get_uint24());
- break;
- case DVI_FNT4:
- *count += 4;
- return new DviFontNumCommand (l.get_uint32());
- break;
- case DVI_XXX1:
- s = l.get_string8();
- *count += s.length() + 1;
- return new DviSpecialCommand (s);
- break;
- case DVI_XXX2:
- s = l.get_string16();
- *count += s.length() + 2;
- return new DviSpecialCommand (s);
- break;
- case DVI_XXX3:
- s = l.get_string24();
- *count += s.length() + 3;
- return new DviSpecialCommand (s);
- break;
- case DVI_XXX4:
- s = l.get_string32();
- *count += s.length() + 4;
- return new DviSpecialCommand (s);
- break;
- case DVI_FNTDEF1:
- l.get_uint8 ();
- skip_font_definition (l, count);
- break;
- case DVI_FNTDEF2:
- l.get_uint16 ();
- skip_font_definition (l, count);
- break;
- case DVI_FNTDEF3:
- l.get_uint24 ();
- skip_font_definition (l, count);
- break;
- case DVI_FNTDEF4:
- l.get_uint32 ();
- skip_font_definition (l, count);
- break;
- case DVI_BOP: // BOP and EOP are not considered commands
- case DVI_EOP:
- case DVI_NOP: // NOP is ignored
- case DVI_PRE: // PRE, POST and POSTPOST are not supposed to happen
- case DVI_POST:
- case DVI_POSTPOST:
- break;
- default:
- printf ("%u\n", *opcode);
- throw string ("Unknown command");
- break;
- }
- return 0;
-}
-
-DviProgram *
-DviParser::parse_program (void)
-{
- DviProgram *program = new DviProgram ();
- DviOpcode opcode;
-
- do
- {
- DviCommand *cmd;
- uint dummy;
-
- cmd = parse_command (loader, &dummy, &opcode);
- if (cmd)
- {
- program->add_command (cmd);
- cmd->unref();
- }
-
- } while (opcode != DVI_EOP);
-
- return program;
-}
-
-DviProgram *
-DviParser::parse_program (uint n_bytes)
-{
- DviProgram *program = new DviProgram ();
- uint count = 0;
-
- while (count < n_bytes)
- {
- DviOpcode opcode;
- DviCommand *cmd;
-
- cmd = parse_command (loader, &count, &opcode);
- if (cmd)
- {
-#if 0
- cout << opcode << endl;
-#endif
- program->add_command (cmd);
- cmd->unref();
- }
- }
-
- return program;
-}
-
-DviPageHeader *
-DviParser::parse_page_header (uint *page_pointer)
-{
- DviOpcode c;
-
- DviPageHeader *header = new DviPageHeader();
-
- header->address = *page_pointer;
-
- c = (DviOpcode)loader.get_uint8();
- if (c != DVI_BOP)
- throw string ("Expected BOP not found");
- for (uint i=0; i<N_PAGE_COUNTERS; ++i)
- header->count[i] = loader.get_uint32 ();
-
- *page_pointer = loader.get_uint32 ();
-
- return header;
-}
-
-DviFontdefinition *
-DviParser::parse_fontdefinition (void)
-{
- DviFontdefinition *fontdef = new DviFontdefinition;
- DviOpcode c = (DviOpcode)loader.get_uint8 ();
-
- switch (c) {
- case DVI_FNTDEF1:
- fontdef->fontnum = loader.get_uint8 ();
- break;
- case DVI_FNTDEF2:
- fontdef->fontnum = loader.get_uint16 ();
- break;
- case DVI_FNTDEF3:
- fontdef->fontnum = loader.get_uint24 ();
- break;
- case DVI_FNTDEF4:
- fontdef->fontnum = loader.get_uint32 ();
- break;
- default:
- throw string ("DVI_FNTDEF? expected");
- break;
- }
- fontdef->checksum = loader.get_uint32 ();
- fontdef->at_size = loader.get_uint32 ();
- fontdef->design_size = loader.get_uint32 ();
-
- uint dirlength = loader.get_uint8 ();
- uint namelength = loader.get_uint8 ();
-
- fontdef->directory = "";
- fontdef->name = "";
-
- for (uint i=0; i < dirlength; ++i)
- fontdef->directory += loader.get_uint8();
- for (uint i=0; i < namelength; ++i)
- fontdef->name += loader.get_uint8();
-
-#if 0
- cout << "parsed fd: " << fontdef->name << " " << fontdef->fontnum << endl;
-#endif
-
- return fontdef;
-}
-
-DviFilePreamble *
-DviParser::parse_preamble (void)
-{
- DviFilePreamble *preamble = new DviFilePreamble;
-
- DviOpcode c = (DviOpcode)loader.get_uint8 ();
- if (c != DVI_PRE)
- {
- string asdf ("asdf");
- throw string ("Corrupt .dvi file - first byte is not DVI_PRE" + asdf);
- }
-
- preamble->type = (DviType)loader.get_uint8 ();
- if (preamble->type != NORMAL_DVI)
- {
- string asdf ("asdf");
- cout << asdf;
- throw string ("Unknown .dvi format" + asdf);
- }
-
- preamble->numerator = loader.get_uint32 ();
- preamble->denominator = loader.get_uint32 ();
- preamble->magnification = loader.get_uint32 ();
- preamble->comment = loader.get_string8 ();
-
- return preamble;
-}
-
-DviFilePostamble *
-DviParser::parse_postamble (void)
-{
- DviFilePostamble *postamble = new DviFilePostamble;
-
- postamble->fontmap = new DviFontMap;
-
- loader.goto_from_end (-5);
-
- int i;
- do {
- i = loader.get_uint8 ();
- loader.goto_from_current (-2);
- } while (i == 223);
-
- postamble->type = (DviType)i;
-
- loader.goto_from_current (-3);
- loader.goto_from_start (loader.get_uint32() + 1);
-
- postamble->last_page_address = loader.get_uint32();
- postamble->numerator = loader.get_uint32();
- postamble->denominator = loader.get_uint32();
- postamble->magnification = loader.get_uint32();
- postamble->max_height = loader.get_uint32();
- postamble->max_width = loader.get_uint32();
- postamble->stack_height = loader.get_uint16();
-
- loader.get_uint16 (); // skip number of pages (we count them instead)
-
- while (true)
- {
- DviOpcode c = (DviOpcode)loader.get_uint8 ();
-
- if (c == DVI_NOP)
- continue;
- else if (DVI_FNTDEF1 <= c && c <= DVI_FNTDEF4)
- {
- loader.goto_from_current (-1);
- DviFontdefinition *fd = parse_fontdefinition ();
-
- postamble->fontmap->set_fontdefinition (fd->fontnum, fd);
- cout << fd->name << endl;
- cout << postamble->fontmap->get_fontdefinition(fd->fontnum)->name;
- }
- else
- {
- loader.goto_from_current (-1);
- break;
- }
- }
- return postamble;
-}
-
-VfFontPreamble *
-DviParser::parse_vf_font_preamble (void)
-{
- DviOpcode c;
- VfFontPreamble *preamble = new VfFontPreamble;
-
- preamble->fontmap = new DviFontMap;
-
- c = (DviOpcode)loader.get_uint8 ();
- if (c != DVI_PRE)
- throw string ("Not a .vf file");
- c = (DviOpcode)loader.get_uint8 ();
- if (c != 202)
- throw string ("Not a .vf file");
-
- preamble->comment = loader.get_string8 ();
- preamble->checksum = loader.get_uint32 ();
- preamble->design_size = loader.get_uint32 ();
-
- int i = 0;
- while (true)
- {
- DviOpcode c = (DviOpcode)loader.get_uint8 ();
-
- if (DVI_FNTDEF1 <= c && c <= DVI_FNTDEF4)
- {
- loader.goto_from_current (-1);
- DviFontdefinition *fd = parse_fontdefinition ();
-
- preamble->fontmap->set_fontdefinition (i++, fd);
- }
- else
- {
- loader.goto_from_current (-1);
- break;
- }
- }
- return preamble;
-}
-
-VfChar *
-DviParser::parse_vf_char (void)
-{
- DviOpcode c;
-
- c = (DviOpcode)loader.get_uint8 ();
-
- VfChar *ch = new VfChar;
-
- if (c == DVI_POST)
- return 0;
- else if (c > 242)
- throw string ("Corrupt .vf file");
- else
- {
- uint packet_length;
- if (c == 242)
- {
- packet_length = loader.get_uint32 ();
- ch->character_code = loader.get_uint32 ();
- ch->tfm_width = loader.get_uint32 ();
- }
- else
- {
- packet_length = c;
- ch->character_code = loader.get_uint8 ();
- ch->tfm_width = loader.get_uint24 ();
- }
- ch->program = parse_program (packet_length);
- }
- return ch;
-}
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