Merge to XFA: Add PDFCharIsLineEnding helper

This CL adds a helper to check if a given character is a \n or \r.

TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1418073006 .

(cherry picked from commit 4b38229b004b7b6493cb4c4507df450adc6085f6)

Review URL: https://codereview.chromium.org/1428763002 .

2 files changed, 7 insertions, 7 deletions

diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
index 1815d40194..255d0ce29c 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
@@ -80,9 +80,9 @@ FX_DWORD _A85Decode(const uint8_t* src_buf,
   pos = dest_size = 0;
   while (pos < src_size) {
     uint8_t ch = src_buf[pos++];
-    if (ch == '\n' || ch == '\r' || ch == ' ' || ch == '\t') {
+    if (PDFCharIsLineEnding(ch) || ch == ' ' || ch == '\t')
       continue;
-    }
+
     if (ch == 'z') {
       FXSYS_memset(dest_buf + dest_size, 0, 4);
       state = 0;
@@ -131,9 +131,9 @@ FX_DWORD _HexDecode(const uint8_t* src_buf,
   FX_BOOL bFirstDigit = TRUE;
   for (i = 0; i < src_size; i++) {
     uint8_t ch = src_buf[i];
-    if (ch == ' ' || ch == '\n' || ch == '\t' || ch == '\r') {
+    if (PDFCharIsLineEnding(ch) || ch == ' ' || ch == '\t')
       continue;
-    }
+
     int digit;
     if (ch <= '9' && ch >= '0') {
       digit = ch - '0';
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index e8842888c8..4ce196e90d 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -1780,7 +1780,7 @@ void CPDF_SyntaxParser::GetNextWord() {
     while (1) {
       if (!GetNextChar(ch))
         return;
-      if (ch == '\r' || ch == '\n')
+      if (PDFCharIsLineEnding(ch))
         break;
     }
   }
@@ -1999,7 +1999,7 @@ void CPDF_SyntaxParser::ToNextWord() {
     while (1) {
       if (!GetNextChar(ch))
         return;
-      if (ch == '\r' || ch == '\n')
+      if (PDFCharIsLineEnding(ch))
         break;
     }
   }
@@ -3767,7 +3767,7 @@ FX_BOOL CPDF_DataAvail::GetNextToken(CFX_ByteString& token) {
     while (1) {
       if (!GetNextChar(ch))
         return FALSE;
-      if (ch == '\r' || ch == '\n')
+      if (PDFCharIsLineEnding(ch))
         break;
     }
   }