X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=pdf2swf%2Fxpdf%2FLexer.cc;h=ee9dc595225459a2b5f589ab7dd0d5bfa84b2938;hb=ccec950c0c9c79e62473816c72b3e27be98567c8;hp=4ca8cfe9f51e323d3fa41fd16bf6a7fddbcb0f8f;hpb=fc554a43712b76d16b41ec77dd311b4a78b1ef6b;p=swftools.git

diff --git a/pdf2swf/xpdf/Lexer.cc b/pdf2swf/xpdf/Lexer.cc
index 4ca8cfe..ee9dc59 100644
--- a/pdf2swf/xpdf/Lexer.cc
+++ b/pdf2swf/xpdf/Lexer.cc
@@ -2,11 +2,13 @@
 //
 // Lexer.cc
 //
-// Copyright 1996 Derek B. Noonburg
+// Copyright 1996-2003 Glyph & Cog, LLC
 //
 //========================================================================
 
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
 #pragma implementation
 #endif
 
@@ -44,22 +46,22 @@ static char specialChars[256] = {
 // Lexer
 //------------------------------------------------------------------------
 
-Lexer::Lexer(Stream *str) {
+Lexer::Lexer(XRef *xref, Stream *str) {
   Object obj;
 
   curStr.initStream(str);
-  streams = new Array();
+  streams = new Array(xref);
   streams->add(curStr.copy(&obj));
   strPtr = 0;
   freeArray = gTrue;
   curStr.streamReset();
 }
 
-Lexer::Lexer(Object *obj) {
+Lexer::Lexer(XRef *xref, Object *obj) {
   Object obj2;
 
   if (obj->isStream()) {
-    streams = new Array();
+    streams = new Array(xref);
     freeArray = gTrue;
     streams->add(obj->copy(&obj2));
   } else {
@@ -72,6 +74,7 @@ Lexer::Lexer(Object *obj) {
     curStr.streamReset();
   }
 }
+static int illegalChars = 0;
 
 Lexer::~Lexer() {
   if (!curStr.isNone()) {
@@ -81,6 +84,9 @@ Lexer::~Lexer() {
   if (freeArray) {
     delete streams;
   }
+  if(illegalChars)
+      error(0, "Illegal characters in hex string (%d)", illegalChars);
+  illegalChars = 0;
 }
 
 int Lexer::getChar() {
@@ -169,6 +175,13 @@ Object *Lexer::getObj(Object *obj) {
     scale = 0.1;
     while (1) {
       c = lookChar();
+      if (c == '-') {
+	// ignore minus signs in the middle of numbers to match
+	// Adobe's behavior
+	error(getPos(), "Badly formatted number");
+	getChar();
+	continue;
+      }
       if (!isdigit(c)) {
 	break;
       }
@@ -204,11 +217,15 @@ Object *Lexer::getObj(Object *obj) {
 
       case '(':
 	++numParen;
+	c2 = c;
 	break;
 
       case ')':
-	if (--numParen == 0)
+	if (--numParen == 0) {
 	  done = gTrue;
+	} else {
+	  c2 = c;
+	}
 	break;
 
       case '\\':
@@ -317,7 +334,8 @@ Object *Lexer::getObj(Object *obj) {
 	} else if (c2 >= 'a' && c2 <= 'f') {
 	  c += c2 - 'a' + 10;
 	} else {
-	  error(getPos(), "Illegal digit in hex char in name");
+	  illegalChars++;
+	  //error(getPos(), "Illegal digit in hex char in name");
 	}
       }
      notEscChar:
@@ -371,8 +389,10 @@ Object *Lexer::getObj(Object *obj) {
 	    c2 += c - 'A' + 10;
 	  else if (c >= 'a' && c <= 'f')
 	    c2 += c - 'a' + 10;
-	  else
-	    error(getPos(), "Illegal character <%02x> in hex string", c);
+	  else {
+	    illegalChars++;
+	    //error(getPos(), "Illegal character <%02x> in hex string", c);
+	  }
 	  if (++m == 2) {
 	    if (n == tokBufSize) {
 	      if (!s)
@@ -408,7 +428,8 @@ Object *Lexer::getObj(Object *obj) {
       tokBuf[2] = '\0';
       obj->initCmd(tokBuf);
     } else {
-      error(getPos(), "Illegal character '>'");
+      illegalChars++;
+      //error(getPos(), "Illegal character '>'");
       obj->initError();
     }
     break;
@@ -417,7 +438,8 @@ Object *Lexer::getObj(Object *obj) {
   case ')':
   case '{':
   case '}':
-    error(getPos(), "Illegal character '%c'", c);
+    //error(getPos(), "Illegal character '%c'", c);
+    illegalChars++;
     obj->initError();
     break;
 
@@ -446,7 +468,6 @@ Object *Lexer::getObj(Object *obj) {
     }
     break;
   }
-
   return obj;
 }
 
@@ -466,3 +487,7 @@ void Lexer::skipToNextLine() {
     }
   }
 }
+
+GBool Lexer::isSpace(int c) {
+  return c >= 0 && c <= 0xff && specialChars[c] == 1;
+}