removed outdated files

[swftools.git] / pdf2swf / xpdf / Parser.cc

diff --git a/pdf2swf/xpdf/Parser.cc b/pdf2swf/xpdf/Parser.cc
deleted file mode 100644 (file)
index af7c933..0000000
--- a/pdf2swf/xpdf/Parser.cc
+++ /dev/null
@@ -1,214 +0,0 @@
-//========================================================================
-//
-// Parser.cc
-//
-// Copyright 1996-2003 Glyph & Cog, LLC
-//
-//========================================================================
-
-#include <aconf.h>
-
-#ifdef USE_GCC_PRAGMAS
-#pragma implementation
-#endif
-
-#include <stddef.h>
-#include "Object.h"
-#include "Array.h"
-#include "Dict.h"
-#include "Parser.h"
-#include "XRef.h"
-#include "Error.h"
-#include "Decrypt.h"
-
-Parser::Parser(XRef *xrefA, Lexer *lexerA) {
-  xref = xrefA;
-  lexer = lexerA;
-  inlineImg = 0;
-  lexer->getObj(&buf1);
-  lexer->getObj(&buf2);
-}
-
-Parser::~Parser() {
-  buf1.free();
-  buf2.free();
-  delete lexer;
-}
-
-Object *Parser::getObj(Object *obj,
-                      Guchar *fileKey, int keyLength,
-                      int objNum, int objGen) {
-  char *key;
-  Stream *str;
-  Object obj2;
-  int num;
-  Decrypt *decrypt;
-  GString *s;
-  char *p;
-  int i;
-
-  // refill buffer after inline image data
-  if (inlineImg == 2) {
-    buf1.free();
-    buf2.free();
-    lexer->getObj(&buf1);
-    lexer->getObj(&buf2);
-    inlineImg = 0;
-  }
-
-  // array
-  if (buf1.isCmd("[")) {
-    shift();
-    obj->initArray(xref);
-    while (!buf1.isCmd("]") && !buf1.isEOF())
-      obj->arrayAdd(getObj(&obj2, fileKey, keyLength, objNum, objGen));
-    if (buf1.isEOF())
-      error(getPos(), "End of file inside array");
-    shift();
-
-  // dictionary or stream
-  } else if (buf1.isCmd("<<")) {
-    shift();
-    obj->initDict(xref);
-    while (!buf1.isCmd(">>") && !buf1.isEOF()) {
-      if (!buf1.isName()) {
-       error(getPos(), "Dictionary key must be a name object");
-       shift();
-      } else {
-       key = copyString(buf1.getName());
-       shift();
-       if (buf1.isEOF() || buf1.isError()) {
-         gfree(key);
-         break;
-       }
-       obj->dictAdd(key, getObj(&obj2, fileKey, keyLength, objNum, objGen));
-      }
-    }
-    if (buf1.isEOF())
-      error(getPos(), "End of file inside dictionary");
-    if (buf2.isCmd("stream")) {
-      if ((str = makeStream(obj))) {
-       obj->initStream(str);
-       if (fileKey) {
-         str->getBaseStream()->doDecryption(fileKey, keyLength,
-                                            objNum, objGen);
-       }
-      } else {
-       obj->free();
-       obj->initError();
-      }
-    } else {
-      shift();
-    }
-
-  // indirect reference or integer
-  } else if (buf1.isInt()) {
-    num = buf1.getInt();
-    shift();
-    if (buf1.isInt() && buf2.isCmd("R")) {
-      obj->initRef(num, buf1.getInt());
-      shift();
-      shift();
-    } else {
-      obj->initInt(num);
-    }
-
-  // string
-  } else if (buf1.isString() && fileKey) {
-    buf1.copy(obj);
-    s = obj->getString();
-    decrypt = new Decrypt(fileKey, keyLength, objNum, objGen);
-    for (i = 0, p = obj->getString()->getCString();
-        i < s->getLength();
-        ++i, ++p) {
-      *p = decrypt->decryptByte(*p);
-    }
-    delete decrypt;
-    shift();
-
-  // simple object
-  } else {
-    buf1.copy(obj);
-    shift();
-  }
-
-  return obj;
-}
-
-Stream *Parser::makeStream(Object *dict) {
-  Object obj;
-  BaseStream *baseStr;
-  Stream *str;
-  Guint pos, endPos, length;
-
-  // get stream start position
-  lexer->skipToNextLine();
-  pos = lexer->getPos();
-
-  // get length
-  dict->dictLookup("Length", &obj);
-  if (obj.isInt()) {
-    length = (Guint)obj.getInt();
-    obj.free();
-  } else {
-    error(getPos(), "Bad 'Length' attribute in stream");
-    obj.free();
-    return NULL;
-  }
-
-  // check for length in damaged file
-  if (xref && xref->getStreamEnd(pos, &endPos)) {
-    length = endPos - pos;
-  }
-
-  // in badly damaged PDF files, we can run off the end of the input
-  // stream immediately after the "stream" token
-  if (!lexer->getStream()) {
-    return NULL;
-  }
-  baseStr = lexer->getStream()->getBaseStream();
-
-  // skip over stream data
-  lexer->setPos(pos + length);
-
-  // refill token buffers and check for 'endstream'
-  shift();  // kill '>>'
-  shift();  // kill 'stream'
-  if (buf1.isCmd("endstream")) {
-    shift();
-  } else {
-    error(getPos(), "Missing 'endstream'");
-    // kludge for broken PDF files: just add 5k to the length, and
-    // hope its enough
-    length += 5000;
-  }
-
-  // make base stream
-  str = baseStr->makeSubStream(pos, gTrue, length, dict);
-
-  // get filters
-  str = str->addFilters(dict);
-
-  return str;
-}
-
-void Parser::shift() {
-  if (inlineImg > 0) {
-    if (inlineImg < 2) {
-      ++inlineImg;
-    } else {
-      // in a damaged content stream, if 'ID' shows up in the middle
-      // of a dictionary, we need to reset
-      inlineImg = 0;
-    }
-  } else if (buf2.isCmd("ID")) {
-    lexer->skipChar();         // skip char after 'ID' command
-    inlineImg = 1;
-  }
-  buf1.free();
-  buf1 = buf2;
-  if (inlineImg > 0)           // don't buffer inline image data
-    buf2.initNull();
-  else
-    lexer->getObj(&buf2);
-}