Split fpdf_text_int into classes

core/fpdftext/cpdf_textpage.cpp

 // 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/fpdftext/include/cpdf_textpage.h"
+
 #include <algorithm>
-#include <cctype>
-#include <cwctype>
-#include <memory>
 #include <utility>
 #include <vector>
 
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
-#include "core/fpdftext/include/cpdf_linkextract.h"
-#include "core/fpdftext/include/cpdf_textpage.h"
-#include "core/fpdftext/include/cpdf_textpagefind.h"
 #include "core/fpdftext/unicodenormalizationdata.h"
 #include "core/fxcrt/fx_bidi.h"
 #include "core/fxcrt/include/fx_ext.h"
 #include "core/fxcrt/include/fx_ucd.h"
 #include "third_party/base/stl_util.h"
 
-#define FPDFTEXT_MATCHCASE 0x00000001
-#define FPDFTEXT_MATCHWHOLEWORD 0x00000002
-#define FPDFTEXT_CONSECUTIVE 0x00000004
-
-#define FPDFTEXT_CHAR_ERROR -1
-#define FPDFTEXT_CHAR_NORMAL 0
-#define FPDFTEXT_CHAR_GENERATED 1
-#define FPDFTEXT_CHAR_UNUNICODE 2
-#define FPDFTEXT_CHAR_HYPHEN 3
-#define FPDFTEXT_CHAR_PIECE 4
-
-#define TEXT_SPACE_CHAR L' '
-#define TEXT_LINEFEED_CHAR L'\n'
-#define TEXT_RETURN_CHAR L'\r'
-#define TEXT_EMPTY L""
-#define TEXT_SPACE L" "
-#define TEXT_RETURN_LINEFEED L"\r\n"
-#define TEXT_LINEFEED L"\n"
-#define TEXT_CHARRATIO_GAPDELTA 0.070
-
 namespace {
 
 const FX_FLOAT kDefaultFontSize = 1.0f;
 const uint16_t* const g_UnicodeData_Normalization_Maps[5] = {
     nullptr, g_UnicodeData_Normalization_Map1, g_UnicodeData_Normalization_Map2,
     g_UnicodeData_Normalization_Map3, g_UnicodeData_Normalization_Map4};
 
-FX_BOOL IsIgnoreSpaceCharacter(FX_WCHAR curChar) {
-  if (curChar < 255)
-    return FALSE;
-  if ((curChar >= 0x0600 && curChar <= 0x06FF) ||
-      (curChar >= 0xFE70 && curChar <= 0xFEFF) ||
-      (curChar >= 0xFB50 && curChar <= 0xFDFF) ||
-      (curChar >= 0x0400 && curChar <= 0x04FF) ||
-      (curChar >= 0x0500 && curChar <= 0x052F) ||
-      (curChar >= 0xA640 && curChar <= 0xA69F) ||
-      (curChar >= 0x2DE0 && curChar <= 0x2DFF) || curChar == 8467 ||
-      (curChar >= 0x2000 && curChar <= 0x206F)) {
-    return FALSE;
-  }
-  return TRUE;
-}
-
 FX_FLOAT NormalizeThreshold(FX_FLOAT threshold) {
   if (threshold < 300)
     return threshold / 2.0f;
   if (threshold < 500)
     return threshold / 4.0f;
   if (threshold < 700)
     return threshold / 5.0f;
   return threshold / 6.0f;
 }
 
@@ skipping 1496 matching lines @@
                                  info.m_OriginY);
   return TRUE;
 }
 
 FX_BOOL CPDF_TextPage::IsRectIntersect(const CFX_FloatRect& rect1,
                                        const CFX_FloatRect& rect2) {
   CFX_FloatRect rect = rect1;
   rect.Intersect(rect2);
   return !rect.IsEmpty();
 }
-
-CPDF_TextPageFind::CPDF_TextPageFind(const CPDF_TextPage* pTextPage)
-    : m_pTextPage(pTextPage),
-      m_flags(0),
-      m_findNextStart(-1),
-      m_findPreStart(-1),
-      m_bMatchCase(FALSE),
-      m_bMatchWholeWord(FALSE),
-      m_resStart(0),
-      m_resEnd(-1),
-      m_IsFind(FALSE) {
-  m_strText = m_pTextPage->GetPageText();
-  int nCount = pTextPage->CountChars();
-  if (nCount) {
-    m_CharIndex.push_back(0);
-  }
-  for (int i = 0; i < nCount; i++) {
-    FPDF_CHAR_INFO info;
-    pTextPage->GetCharInfo(i, &info);
-    int indexSize = pdfium::CollectionSize<int>(m_CharIndex);
-    if (info.m_Flag == FPDFTEXT_CHAR_NORMAL ||
-        info.m_Flag == FPDFTEXT_CHAR_GENERATED) {
-      if (indexSize % 2) {
-        m_CharIndex.push_back(1);
-      } else {
-        if (indexSize <= 0) {
-          continue;
-        }
-        m_CharIndex[indexSize - 1] += 1;
-      }
-    } else {
-      if (indexSize % 2) {
-        if (indexSize <= 0) {
-          continue;
-        }
-        m_CharIndex[indexSize - 1] = i + 1;
-      } else {
-        m_CharIndex.push_back(i + 1);
-      }
-    }
-  }
-  int indexSize = pdfium::CollectionSize<int>(m_CharIndex);
-  if (indexSize % 2) {
-    m_CharIndex.erase(m_CharIndex.begin() + indexSize - 1);
-  }
-}
-
-CPDF_TextPageFind::~CPDF_TextPageFind() {}
-
-int CPDF_TextPageFind::GetCharIndex(int index) const {
-  return m_pTextPage->CharIndexFromTextIndex(index);
-}
-
-FX_BOOL CPDF_TextPageFind::FindFirst(const CFX_WideString& findwhat,
-                                     int flags,
-                                     int startPos) {
-  if (!m_pTextPage) {
-    return FALSE;
-  }
-  if (m_strText.IsEmpty() || m_bMatchCase != (flags & FPDFTEXT_MATCHCASE)) {
-    m_strText = m_pTextPage->GetPageText();
-  }
-  CFX_WideString findwhatStr = findwhat;
-  m_findWhat = findwhatStr;
-  m_flags = flags;
-  m_bMatchCase = flags & FPDFTEXT_MATCHCASE;
-  if (m_strText.IsEmpty()) {
-    m_IsFind = FALSE;
-    return TRUE;
-  }
-  FX_STRSIZE len = findwhatStr.GetLength();
-  if (!m_bMatchCase) {
-    findwhatStr.MakeLower();
-    m_strText.MakeLower();
-  }
-  m_bMatchWholeWord = flags & FPDFTEXT_MATCHWHOLEWORD;
-  m_findNextStart = startPos;
-  if (startPos == -1) {
-    m_findPreStart = m_strText.GetLength() - 1;
-  } else {
-    m_findPreStart = startPos;
-  }
-  m_csFindWhatArray.clear();
-  int i = 0;
-  while (i < len) {
-    if (findwhatStr.GetAt(i) != ' ') {
-      break;
-    }
-    i++;
-  }
-  if (i < len) {
-    ExtractFindWhat(findwhatStr);
-  } else {
-    m_csFindWhatArray.push_back(findwhatStr);
-  }
-  if (m_csFindWhatArray.empty()) {
-    return FALSE;
-  }
-  m_IsFind = TRUE;
-  m_resStart = 0;
-  m_resEnd = -1;
-  return TRUE;
-}
-
-FX_BOOL CPDF_TextPageFind::FindNext() {
-  if (!m_pTextPage) {
-    return FALSE;
-  }
-  m_resArray.clear();
-  if (m_findNextStart == -1) {
-    return FALSE;
-  }
-  if (m_strText.IsEmpty()) {
-    m_IsFind = FALSE;
-    return m_IsFind;
-  }
-  int strLen = m_strText.GetLength();
-  if (m_findNextStart > strLen - 1) {
-    m_IsFind = FALSE;
-    return m_IsFind;
-  }
-  int nCount = pdfium::CollectionSize<int>(m_csFindWhatArray);
-  int nResultPos = 0;
-  int nStartPos = 0;
-  nStartPos = m_findNextStart;
-  FX_BOOL bSpaceStart = FALSE;
-  for (int iWord = 0; iWord < nCount; iWord++) {
-    CFX_WideString csWord = m_csFindWhatArray[iWord];
-    if (csWord.IsEmpty()) {
-      if (iWord == nCount - 1) {
-        FX_WCHAR strInsert = m_strText.GetAt(nStartPos);
-        if (strInsert == TEXT_LINEFEED_CHAR || strInsert == TEXT_SPACE_CHAR ||
-            strInsert == TEXT_RETURN_CHAR || strInsert == 160) {
-          nResultPos = nStartPos + 1;
-          break;
-        }
-        iWord = -1;
-      } else if (iWord == 0) {
-        bSpaceStart = TRUE;
-      }
-      continue;
-    }
-    int endIndex;
-    nResultPos = m_strText.Find(csWord.c_str(), nStartPos);
-    if (nResultPos == -1) {
-      m_IsFind = FALSE;
-      return m_IsFind;
-    }
-    endIndex = nResultPos + csWord.GetLength() - 1;
-    if (iWord == 0) {
-      m_resStart = nResultPos;
-    }
-    FX_BOOL bMatch = TRUE;
-    if (iWord != 0 && !bSpaceStart) {
-      int PreResEndPos = nStartPos;
-      int curChar = csWord.GetAt(0);
-      CFX_WideString lastWord = m_csFindWhatArray[iWord - 1];
-      int lastChar = lastWord.GetAt(lastWord.GetLength() - 1);
-      if (nStartPos == nResultPos &&
-          !(IsIgnoreSpaceCharacter(lastChar) ||
-            IsIgnoreSpaceCharacter(curChar))) {
-        bMatch = FALSE;
-      }
-      for (int d = PreResEndPos; d < nResultPos; d++) {
-        FX_WCHAR strInsert = m_strText.GetAt(d);
-        if (strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_SPACE_CHAR &&
-            strInsert != TEXT_RETURN_CHAR && strInsert != 160) {
-          bMatch = FALSE;
-          break;
-        }
-      }
-    } else if (bSpaceStart) {
-      if (nResultPos > 0) {
-        FX_WCHAR strInsert = m_strText.GetAt(nResultPos - 1);
-        if (strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_SPACE_CHAR &&
-            strInsert != TEXT_RETURN_CHAR && strInsert != 160) {
-          bMatch = FALSE;
-          m_resStart = nResultPos;
-        } else {
-          m_resStart = nResultPos - 1;
-        }
-      }
-    }
-    if (m_bMatchWholeWord && bMatch) {
-      bMatch = IsMatchWholeWord(m_strText, nResultPos, endIndex);
-    }
-    nStartPos = endIndex + 1;
-    if (!bMatch) {
-      iWord = -1;
-      if (bSpaceStart) {
-        nStartPos = m_resStart + m_csFindWhatArray[1].GetLength();
-      } else {
-        nStartPos = m_resStart + m_csFindWhatArray[0].GetLength();
-      }
-    }
-  }
-  m_resEnd = nResultPos + m_csFindWhatArray.back().GetLength() - 1;
-  m_IsFind = TRUE;
-  int resStart = GetCharIndex(m_resStart);
-  int resEnd = GetCharIndex(m_resEnd);
-  m_resArray = m_pTextPage->GetRectArray(resStart, resEnd - resStart + 1);
-  if (m_flags & FPDFTEXT_CONSECUTIVE) {
-    m_findNextStart = m_resStart + 1;
-    m_findPreStart = m_resEnd - 1;
-  } else {
-    m_findNextStart = m_resEnd + 1;
-    m_findPreStart = m_resStart - 1;
-  }
-  return m_IsFind;
-}
-
-FX_BOOL CPDF_TextPageFind::FindPrev() {
-  if (!m_pTextPage) {
-    return FALSE;
-  }
-  m_resArray.clear();
-  if (m_strText.IsEmpty() || m_findPreStart < 0) {
-    m_IsFind = FALSE;
-    return m_IsFind;
-  }
-  CPDF_TextPageFind findEngine(m_pTextPage);
-  FX_BOOL ret = findEngine.FindFirst(m_findWhat, m_flags);
-  if (!ret) {
-    m_IsFind = FALSE;
-    return m_IsFind;
-  }
-  int order = -1, MatchedCount = 0;
-  while (ret) {
-    ret = findEngine.FindNext();
-    if (ret) {
-      int order1 = findEngine.GetCurOrder();
-      int MatchedCount1 = findEngine.GetMatchedCount();
-      if (((order1 + MatchedCount1) - 1) > m_findPreStart) {
-        break;
-      }
-      order = order1;
-      MatchedCount = MatchedCount1;
-    }
-  }
-  if (order == -1) {
-    m_IsFind = FALSE;
-    return m_IsFind;
-  }
-  m_resStart = m_pTextPage->TextIndexFromCharIndex(order);
-  m_resEnd = m_pTextPage->TextIndexFromCharIndex(order + MatchedCount - 1);
-  m_IsFind = TRUE;
-  m_resArray = m_pTextPage->GetRectArray(order, MatchedCount);
-  if (m_flags & FPDFTEXT_CONSECUTIVE) {
-    m_findNextStart = m_resStart + 1;
-    m_findPreStart = m_resEnd - 1;
-  } else {
-    m_findNextStart = m_resEnd + 1;
-    m_findPreStart = m_resStart - 1;
-  }
-  return m_IsFind;
-}
-
-void CPDF_TextPageFind::ExtractFindWhat(const CFX_WideString& findwhat) {
-  if (findwhat.IsEmpty()) {
-    return;
-  }
-  int index = 0;
-  while (1) {
-    CFX_WideString csWord = TEXT_EMPTY;
-    int ret =
-        ExtractSubString(csWord, findwhat.c_str(), index, TEXT_SPACE_CHAR);
-    if (csWord.IsEmpty()) {
-      if (ret) {
-        m_csFindWhatArray.push_back(L"");
-        index++;
-        continue;
-      } else {
-        break;
-      }
-    }
-    int pos = 0;
-    while (pos < csWord.GetLength()) {
-      CFX_WideString curStr = csWord.Mid(pos, 1);
-      FX_WCHAR curChar = csWord.GetAt(pos);
-      if (IsIgnoreSpaceCharacter(curChar)) {
-        if (pos > 0 && curChar == 0x2019) {
-          pos++;
-          continue;
-        }
-        if (pos > 0) {
-          m_csFindWhatArray.push_back(csWord.Mid(0, pos));
-        }
-        m_csFindWhatArray.push_back(curStr);
-        if (pos == csWord.GetLength() - 1) {
-          csWord.clear();
-          break;
-        }
-        csWord = csWord.Right(csWord.GetLength() - pos - 1);
-        pos = 0;
-        continue;
-      }
-      pos++;
-    }
-    if (!csWord.IsEmpty()) {
-      m_csFindWhatArray.push_back(csWord);
-    }
-    index++;
-  }
-}
-
-FX_BOOL CPDF_TextPageFind::IsMatchWholeWord(const CFX_WideString& csPageText,
-                                            int startPos,
-                                            int endPos) {
-  FX_WCHAR char_left = 0;
-  FX_WCHAR char_right = 0;
-  int char_count = endPos - startPos + 1;
-  if (char_count < 1) {
-    return FALSE;
-  }
-  if (char_count == 1 && csPageText.GetAt(startPos) > 255) {
-    return TRUE;
-  }
-  if (startPos - 1 >= 0) {
-    char_left = csPageText.GetAt(startPos - 1);
-  }
-  if (startPos + char_count < csPageText.GetLength()) {
-    char_right = csPageText.GetAt(startPos + char_count);
-  }
-  if ((char_left > 'A' && char_left < 'a') ||
-      (char_left > 'a' && char_left < 'z') ||
-      (char_left > 0xfb00 && char_left < 0xfb06) || std::iswdigit(char_left) ||
-      (char_right > 'A' && char_right < 'a') ||
-      (char_right > 'a' && char_right < 'z') ||
-      (char_right > 0xfb00 && char_right < 0xfb06) ||
-      std::iswdigit(char_right)) {
-    return FALSE;
-  }
-  if (!(('A' > char_left || char_left > 'Z') &&
-        ('a' > char_left || char_left > 'z') &&
-        ('A' > char_right || char_right > 'Z') &&
-        ('a' > char_right || char_right > 'z'))) {
-    return FALSE;
-  }
-  if (char_count > 0) {
-    if (csPageText.GetAt(startPos) >= L'0' &&
-        csPageText.GetAt(startPos) <= L'9' && char_left >= L'0' &&
-        char_left <= L'9') {
-      return FALSE;
-    }
-    if (csPageText.GetAt(endPos) >= L'0' && csPageText.GetAt(endPos) <= L'9' &&
-        char_right >= L'0' && char_right <= L'9') {
-      return FALSE;
-    }
-  }
-  return TRUE;
-}
-
-FX_BOOL CPDF_TextPageFind::ExtractSubString(CFX_WideString& rString,
-                                            const FX_WCHAR* lpszFullString,
-                                            int iSubString,
-                                            FX_WCHAR chSep) {
-  if (!lpszFullString) {
-    return FALSE;
-  }
-  while (iSubString--) {
-    lpszFullString = wcschr(lpszFullString, chSep);
-    if (!lpszFullString) {
-      rString.clear();
-      return FALSE;
-    }
-    lpszFullString++;
-    while (*lpszFullString == chSep) {
-      lpszFullString++;
-    }
-  }
-  const FX_WCHAR* lpchEnd = wcschr(lpszFullString, chSep);
-  int nLen = lpchEnd ? (int)(lpchEnd - lpszFullString)
-                     : (int)FXSYS_wcslen(lpszFullString);
-  ASSERT(nLen >= 0);
-  FXSYS_memcpy(rString.GetBuffer(nLen), lpszFullString,
-               nLen * sizeof(FX_WCHAR));
-  rString.ReleaseBuffer();
-  return TRUE;
-}
-
-CFX_WideString CPDF_TextPageFind::MakeReverse(const CFX_WideString& str) {
-  CFX_WideString str2;
-  str2.clear();
-  int nlen = str.GetLength();
-  for (int i = nlen - 1; i >= 0; i--) {
-    str2 += str.GetAt(i);
-  }
-  return str2;
-}
-
-int CPDF_TextPageFind::GetCurOrder() const {
-  return GetCharIndex(m_resStart);
-}
-
-int CPDF_TextPageFind::GetMatchedCount() const {
-  int resStart = GetCharIndex(m_resStart);
-  int resEnd = GetCharIndex(m_resEnd);
-  return resEnd - resStart + 1;
-}
-
-CPDF_LinkExtract::CPDF_LinkExtract(const CPDF_TextPage* pTextPage)
-    : m_pTextPage(pTextPage) {}
-
-CPDF_LinkExtract::~CPDF_LinkExtract() {
-}
-
-void CPDF_LinkExtract::ExtractLinks() {
-  m_LinkArray.clear();
-  if (!m_pTextPage->IsParsed())
-    return;
-
-  m_strPageText = m_pTextPage->GetPageText(0, -1);
-  if (m_strPageText.IsEmpty())
-    return;
-
-  ParseLink();
-}
-
-void CPDF_LinkExtract::ParseLink() {
-  int start = 0, pos = 0;
-  int TotalChar = m_pTextPage->CountChars();
-  while (pos < TotalChar) {
-    FPDF_CHAR_INFO pageChar;
-    m_pTextPage->GetCharInfo(pos, &pageChar);
-    if (pageChar.m_Flag == FPDFTEXT_CHAR_GENERATED ||
-        pageChar.m_Unicode == 0x20 || pos == TotalChar - 1) {
-      int nCount = pos - start;
-      if (pos == TotalChar - 1) {
-        nCount++;
-      }
-      CFX_WideString strBeCheck;
-      strBeCheck = m_pTextPage->GetPageText(start, nCount);
-      if (strBeCheck.GetLength() > 5) {
-        while (strBeCheck.GetLength() > 0) {
-          FX_WCHAR ch = strBeCheck.GetAt(strBeCheck.GetLength() - 1);
-          if (ch == L')' || ch == L',' || ch == L'>' || ch == L'.') {
-            strBeCheck = strBeCheck.Mid(0, strBeCheck.GetLength() - 1);
-            nCount--;
-          } else {
-            break;
-          }
-        }
-        if (nCount > 5 &&
-            (CheckWebLink(strBeCheck) || CheckMailLink(strBeCheck))) {
-          m_LinkArray.push_back({start, nCount, strBeCheck});
-        }
-      }
-      start = ++pos;
-    } else {
-      pos++;
-    }
-  }
-}
-
-bool CPDF_LinkExtract::CheckWebLink(CFX_WideString& strBeCheck) {
-  CFX_WideString str = strBeCheck;
-  str.MakeLower();
-  if (str.Find(L"http://www.") != -1) {
-    strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://www."));
-    return true;
-  }
-  if (str.Find(L"http://") != -1) {
-    strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://"));
-    return true;
-  }
-  if (str.Find(L"https://www.") != -1) {
-    strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://www."));
-    return true;
-  }
-  if (str.Find(L"https://") != -1) {
-    strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://"));
-    return true;
-  }
-  if (str.Find(L"www.") != -1) {
-    strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"www."));
-    strBeCheck = L"http://" + strBeCheck;
-    return true;
-  }
-  return false;
-}
-
-bool CPDF_LinkExtract::CheckMailLink(CFX_WideString& str) {
-  int aPos = str.Find(L'@');
-  // Invalid when no '@'.
-  if (aPos < 1)
-    return false;
-
-  // Check the local part.
-  int pPos = aPos;  // Used to track the position of '@' or '.'.
-  for (int i = aPos - 1; i >= 0; i--) {
-    FX_WCHAR ch = str.GetAt(i);
-    if (ch == L'_' || ch == L'-' || FXSYS_iswalnum(ch))
-      continue;
-
-    if (ch != L'.' || i == pPos - 1 || i == 0) {
-      if (i == aPos - 1) {
-        // There is '.' or invalid char before '@'.
-        return FALSE;
-      }
-      // End extracting for other invalid chars, '.' at the beginning, or
-      // consecutive '.'.
-      int removed_len = i == pPos - 1 ? i + 2 : i + 1;
-      str = str.Right(str.GetLength() - removed_len);
-      break;
-    }
-    // Found a valid '.'.
-    pPos = i;
-  }
-
-  // Check the domain name part.
-  aPos = str.Find(L'@');
-  if (aPos < 1)
-    return false;
-
-  str.TrimRight(L'.');
-  // At least one '.' in domain name, but not at the beginning.
-  // TODO(weili): RFC5322 allows domain names to be a local name without '.'.
-  // Check whether we should remove this check.
-  int ePos = str.Find(L'.', aPos + 1);
-  if (ePos == -1 || ePos == aPos + 1)
-    return false;
-
-  // Validate all other chars in domain name.
-  int nLen = str.GetLength();
-  pPos = 0;  // Used to track the position of '.'.
-  for (int i = aPos + 1; i < nLen; i++) {
-    FX_WCHAR wch = str.GetAt(i);
-    if (wch == L'-' || FXSYS_iswalnum(wch))
-      continue;
-
-    if (wch != L'.' || i == pPos + 1) {
-      // Domain name should end before invalid char.
-      int host_end = i == pPos + 1 ? i - 2 : i - 1;
-      if (pPos > 0 && host_end - aPos >= 3) {
-        // Trim the ending invalid chars if there is at least one '.' and name.
-        str = str.Left(host_end + 1);
-        break;
-      }
-      return false;
-    }
-    pPos = i;
-  }
-
-  if (str.Find(L"mailto:") == -1)
-    str = L"mailto:" + str;
-
-  return true;
-}
-
-CFX_WideString CPDF_LinkExtract::GetURL(size_t index) const {
-  return index < m_LinkArray.size() ? m_LinkArray[index].m_strUrl : L"";
-}
-
-std::vector<CFX_FloatRect> CPDF_LinkExtract::GetRects(size_t index) const {
-  if (index >= m_LinkArray.size())
-    return std::vector<CFX_FloatRect>();
-
-  return m_pTextPage->GetRectArray(m_LinkArray[index].m_Start,
-                                   m_LinkArray[index].m_Count);
-}