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Diffstat (limited to 'Build/source/libs/poppler/poppler-src/poppler/Lexer.h')
-rw-r--r-- | Build/source/libs/poppler/poppler-src/poppler/Lexer.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/Build/source/libs/poppler/poppler-src/poppler/Lexer.h b/Build/source/libs/poppler/poppler-src/poppler/Lexer.h deleted file mode 100644 index eb692a5c248..00000000000 --- a/Build/source/libs/poppler/poppler-src/poppler/Lexer.h +++ /dev/null @@ -1,112 +0,0 @@ -//======================================================================== -// -// Lexer.h -// -// Copyright 1996-2003 Glyph & Cog, LLC -// -//======================================================================== - -//======================================================================== -// -// Modified under the Poppler project - http://poppler.freedesktop.org -// -// All changes made under the Poppler project to this file are licensed -// under GPL version 2 or later -// -// Copyright (C) 2006, 2007, 2010, 2013, 2017, 2018 Albert Astals Cid <aacid@kde.org> -// Copyright (C) 2006 Krzysztof Kowalczyk <kkowalczyk@gmail.com> -// Copyright (C) 2013 Adrian Johnson <ajohnson@redneon.com> -// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de> -// -// To see a description of the changes please see the Changelog file that -// came with your tarball or type make ChangeLog if you are building from git -// -//======================================================================== - -#ifndef LEXER_H -#define LEXER_H - -#ifdef USE_GCC_PRAGMAS -#pragma interface -#endif - -#include "Object.h" -#include "Stream.h" - -class XRef; - -#define tokBufSize 128 // size of token buffer - -//------------------------------------------------------------------------ -// Lexer -//------------------------------------------------------------------------ - -class Lexer { -public: - - // Construct a lexer for a single stream. Deletes the stream when - // lexer is deleted. - Lexer(XRef *xrefA, Stream *str); - - // Construct a lexer for a stream or array of streams (assumes obj - // is either a stream or array of streams). - Lexer(XRef *xrefA, Object *obj); - - // Destructor. - ~Lexer(); - - Lexer(const Lexer &) = delete; - Lexer& operator=(const Lexer &) = delete; - - // Get the next object from the input stream. - Object getObj(int objNum = -1); - Object getObj(const char *cmdA, int objNum); - template<typename T> Object getObj(T) = delete; - - // Skip to the beginning of the next line in the input stream. - void skipToNextLine(); - - // Skip over one character. - void skipChar() { getChar(); } - - // Get stream. - Stream *getStream() - { return curStr.isStream() ? curStr.getStream() : (Stream *)NULL; } - - // Get current position in file. This is only used for error - // messages. - Goffset getPos() - { return curStr.isStream() ? curStr.streamGetPos() : -1; } - - // Set position in file. - void setPos(Goffset pos, int dir = 0) - { if (curStr.isStream()) curStr.streamSetPos(pos, dir); } - - // Returns true if <c> is a whitespace character. - static GBool isSpace(int c); - - - // often (e.g. ~30% on PDF Refernce 1.6 pdf file from Adobe site) getChar - // is called right after lookChar. In order to avoid expensive re-doing - // getChar() of underlying stream, we cache the last value found by - // lookChar() in lookCharLastValueCached. A special value - // LOOK_VALUE_NOT_CACHED that should never be part of stream indicates - // that no value was cached - static const int LOOK_VALUE_NOT_CACHED = -3; - int lookCharLastValueCached; - -private: - - int getChar(GBool comesFromLook = gFalse); - int lookChar(); - - Array *streams; // array of input streams - int strPtr; // index of current stream - Object curStr; // current stream - GBool freeArray; // should lexer free the streams array? - char tokBuf[tokBufSize]; // temporary token buffer - - XRef *xref; -}; - -#endif |