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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp228
1 files changed, 0 insertions, 228 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
deleted file mode 100644
index c5d21f4bdd..0000000000
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
+++ /dev/null
@@ -1,228 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.h"
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_number.h"
-#include "core/include/fpdfapi/cpdf_reference.h"
-#include "core/include/fpdfapi/cpdf_stream.h"
-#include "core/include/fpdfapi/cpdf_string.h"
-#include "core/include/fpdfapi/fpdf_parser_decode.h"
-#include "core/include/fxcrt/fx_ext.h"
-
-// Indexed by 8-bit character code, contains either:
-// 'W' - for whitespace: NUL, TAB, CR, LF, FF, SPACE, 0x80, 0xff
-// 'N' - for numeric: 0123456789+-.
-// 'D' - for delimiter: %()/<>[]{}
-// 'R' - otherwise.
-const char PDF_CharType[256] = {
- // NUL SOH STX ETX EOT ENQ ACK BEL BS HT LF VT FF CR SO
- // SI
- 'W', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'W', 'W', 'R', 'W', 'W', 'R',
- 'R',
-
- // DLE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EM SUB ESC FS GS RS
- // US
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R',
-
- // SP ! " # $ % & ยด ( ) * + , - .
- // /
- 'W', 'R', 'R', 'R', 'R', 'D', 'R', 'R', 'D', 'D', 'R', 'N', 'R', 'N', 'N',
- 'D',
-
- // 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
- 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'R', 'R', 'D', 'R', 'D',
- 'R',
-
- // @ A B C D E F G H I J K L M N O
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R',
-
- // P Q R S T U V W X Y Z [ \ ] ^ _
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'D', 'R', 'D', 'R',
- 'R',
-
- // ` a b c d e f g h i j k l m n o
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R',
-
- // p q r s t u v w x y z { | } ~
- // DEL
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'D', 'R', 'D', 'R',
- 'R',
-
- 'W', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
- 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'W'};
-
-int32_t GetHeaderOffset(IFX_FileRead* pFile) {
- // TODO(dsinclair): This is a complicated way of saying %PDF, simplify?
- const FX_DWORD tag = FXDWORD_FROM_LSBFIRST(0x46445025);
-
- const size_t kBufSize = 4;
- uint8_t buf[kBufSize];
- int32_t offset = 0;
- while (offset <= 1024) {
- if (!pFile->ReadBlock(buf, offset, kBufSize))
- return -1;
-
- if (*(FX_DWORD*)buf == tag)
- return offset;
-
- ++offset;
- }
- return -1;
-}
-
-int32_t GetDirectInteger(CPDF_Dictionary* pDict, const CFX_ByteStringC& key) {
- CPDF_Number* pObj = ToNumber(pDict->GetElement(key));
- return pObj ? pObj->GetInteger() : 0;
-}
-
-CFX_ByteString PDF_NameDecode(const CFX_ByteStringC& bstr) {
- int size = bstr.GetLength();
- const FX_CHAR* pSrc = bstr.GetCStr();
- if (!FXSYS_memchr(pSrc, '#', size)) {
- return bstr;
- }
- CFX_ByteString result;
- FX_CHAR* pDestStart = result.GetBuffer(size);
- FX_CHAR* pDest = pDestStart;
- for (int i = 0; i < size; i++) {
- if (pSrc[i] == '#' && i < size - 2) {
- *pDest++ =
- FXSYS_toHexDigit(pSrc[i + 1]) * 16 + FXSYS_toHexDigit(pSrc[i + 2]);
- i += 2;
- } else {
- *pDest++ = pSrc[i];
- }
- }
- result.ReleaseBuffer((FX_STRSIZE)(pDest - pDestStart));
- return result;
-}
-
-CFX_ByteString PDF_NameDecode(const CFX_ByteString& orig) {
- if (!FXSYS_memchr(orig.c_str(), '#', orig.GetLength())) {
- return orig;
- }
- return PDF_NameDecode(CFX_ByteStringC(orig));
-}
-
-CFX_ByteString PDF_NameEncode(const CFX_ByteString& orig) {
- uint8_t* src_buf = (uint8_t*)orig.c_str();
- int src_len = orig.GetLength();
- int dest_len = 0;
- int i;
- for (i = 0; i < src_len; i++) {
- uint8_t ch = src_buf[i];
- if (ch >= 0x80 || PDFCharIsWhitespace(ch) || ch == '#' ||
- PDFCharIsDelimiter(ch)) {
- dest_len += 3;
- } else {
- dest_len++;
- }
- }
- if (dest_len == src_len)
- return orig;
-
- CFX_ByteString res;
- FX_CHAR* dest_buf = res.GetBuffer(dest_len);
- dest_len = 0;
- for (i = 0; i < src_len; i++) {
- uint8_t ch = src_buf[i];
- if (ch >= 0x80 || PDFCharIsWhitespace(ch) || ch == '#' ||
- PDFCharIsDelimiter(ch)) {
- dest_buf[dest_len++] = '#';
- dest_buf[dest_len++] = "0123456789ABCDEF"[ch / 16];
- dest_buf[dest_len++] = "0123456789ABCDEF"[ch % 16];
- } else {
- dest_buf[dest_len++] = ch;
- }
- }
- dest_buf[dest_len] = 0;
- res.ReleaseBuffer();
- return res;
-}
-
-CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& buf, const CPDF_Object* pObj) {
- if (!pObj) {
- buf << " null";
- return buf;
- }
- switch (pObj->GetType()) {
- case CPDF_Object::NULLOBJ:
- buf << " null";
- break;
- case CPDF_Object::BOOLEAN:
- case CPDF_Object::NUMBER:
- buf << " " << pObj->GetString();
- break;
- case CPDF_Object::STRING:
- buf << PDF_EncodeString(pObj->GetString(), pObj->AsString()->IsHex());
- break;
- case CPDF_Object::NAME: {
- CFX_ByteString str = pObj->GetString();
- buf << "/" << PDF_NameEncode(str);
- break;
- }
- case CPDF_Object::REFERENCE: {
- buf << " " << pObj->AsReference()->GetRefObjNum() << " 0 R ";
- break;
- }
- case CPDF_Object::ARRAY: {
- const CPDF_Array* p = pObj->AsArray();
- buf << "[";
- for (FX_DWORD i = 0; i < p->GetCount(); i++) {
- CPDF_Object* pElement = p->GetElement(i);
- if (pElement->GetObjNum()) {
- buf << " " << pElement->GetObjNum() << " 0 R";
- } else {
- buf << pElement;
- }
- }
- buf << "]";
- break;
- }
- case CPDF_Object::DICTIONARY: {
- const CPDF_Dictionary* p = pObj->AsDictionary();
- buf << "<<";
- for (const auto& it : *p) {
- const CFX_ByteString& key = it.first;
- CPDF_Object* pValue = it.second;
- buf << "/" << PDF_NameEncode(key);
- if (pValue && pValue->GetObjNum()) {
- buf << " " << pValue->GetObjNum() << " 0 R ";
- } else {
- buf << pValue;
- }
- }
- buf << ">>";
- break;
- }
- case CPDF_Object::STREAM: {
- const CPDF_Stream* p = pObj->AsStream();
- buf << p->GetDict() << "stream\r\n";
- CPDF_StreamAcc acc;
- acc.LoadAllData(p, TRUE);
- buf.AppendBlock(acc.GetData(), acc.GetSize());
- buf << "\r\nendstream";
- break;
- }
- default:
- ASSERT(FALSE);
- break;
- }
- return buf;
-}
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