Use ByteStringView in parsers

This CL converts the CPDF_SimpleParser to accept a ByteStringView.
Several of the callers of SimpleParser are also updated to use a
ByteStringView instead of <char*,size>.

Change-Id: Ic2df3a06f92e77b53745a0419b44368142f9d8e6
Reviewed-on: https://pdfium-review.googlesource.com/29351
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/core/fpdfapi/page/cpdf_psengine.cpp b/core/fpdfapi/page/cpdf_psengine.cpp
index 7ce3a604a1..adfd45e877 100644
--- a/core/fpdfapi/page/cpdf_psengine.cpp
+++ b/core/fpdfapi/page/cpdf_psengine.cpp
@@ -190,10 +190,9 @@ int CPDF_PSEngine::PopInt() {
   return static_cast<int>(Pop());
 }
 
-bool CPDF_PSEngine::Parse(const char* str, int size) {
-  CPDF_SimpleParser parser(reinterpret_cast<const uint8_t*>(str), size);
-  ByteStringView word = parser.GetWord();
-  return word == "{" ? m_MainProc.Parse(&parser, 0) : false;
+bool CPDF_PSEngine::Parse(const ByteStringView& view) {
+  CPDF_SimpleParser parser(view);
+  return parser.GetWord() == "{" && m_MainProc.Parse(&parser, 0);
 }
 
 bool CPDF_PSEngine::DoOperator(PDF_PSOP op) {