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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/fpdftext/unicodenormalization.cpp
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/fpdftext/unicodenormalization.cpp')
-rw-r--r--core/fpdftext/unicodenormalization.cpp68
1 files changed, 68 insertions, 0 deletions
diff --git a/core/fpdftext/unicodenormalization.cpp b/core/fpdftext/unicodenormalization.cpp
new file mode 100644
index 0000000000..6ede1365c4
--- /dev/null
+++ b/core/fpdftext/unicodenormalization.cpp
@@ -0,0 +1,68 @@
+// 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/unicodenormalizationdata.h"
+#include "core/include/fxcrt/fx_string.h"
+
+const FX_WCHAR* const g_UnicodeData_Normalization_Maps[5] = {
+ nullptr, g_UnicodeData_Normalization_Map1, g_UnicodeData_Normalization_Map2,
+ g_UnicodeData_Normalization_Map3, g_UnicodeData_Normalization_Map4};
+
+FX_STRSIZE FX_Unicode_GetNormalization(FX_WCHAR wch, FX_WCHAR* pDst) {
+ wch = wch & 0xFFFF;
+ FX_WCHAR wFind = g_UnicodeData_Normalization[wch];
+ if (!wFind) {
+ if (pDst) {
+ *pDst = wch;
+ }
+ return 1;
+ }
+ if (wFind >= 0x8000) {
+ wch = wFind - 0x8000;
+ wFind = 1;
+ } else {
+ wch = wFind & 0x0FFF;
+ wFind >>= 12;
+ }
+ const FX_WCHAR* pMap = g_UnicodeData_Normalization_Maps[wFind];
+ if (pMap == g_UnicodeData_Normalization_Map4) {
+ pMap = g_UnicodeData_Normalization_Map4 + wch;
+ wFind = (FX_WCHAR)(*pMap++);
+ } else {
+ pMap += wch;
+ }
+ if (pDst) {
+ FX_WCHAR n = wFind;
+ while (n--) {
+ *pDst++ = *pMap++;
+ }
+ }
+ return (FX_STRSIZE)wFind;
+}
+FX_STRSIZE FX_WideString_GetNormalization(const CFX_WideStringC& wsSrc,
+ FX_WCHAR* pDst) {
+ FX_STRSIZE nCount = 0;
+ for (FX_STRSIZE len = 0; len < wsSrc.GetLength(); len++) {
+ FX_WCHAR wch = wsSrc.GetAt(len);
+ if (pDst) {
+ nCount += FX_Unicode_GetNormalization(wch, pDst + nCount);
+ } else {
+ nCount += FX_Unicode_GetNormalization(wch, pDst);
+ }
+ }
+ return nCount;
+}
+FX_STRSIZE FX_WideString_GetNormalization(const CFX_WideStringC& wsSrc,
+ CFX_WideString& wsDst) {
+ FX_STRSIZE nLen = FX_WideString_GetNormalization(wsSrc, (FX_WCHAR*)NULL);
+ if (!nLen) {
+ return 0;
+ }
+ FX_WCHAR* pBuf = wsDst.GetBuffer(nLen);
+ FX_WideString_GetNormalization(wsSrc, pBuf);
+ wsDst.ReleaseBuffer(nLen);
+ return nLen;
+}