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authorLei Zhang <thestig@chromium.org>2017-11-06 20:01:13 +0000
committerChromium commit bot <commit-bot@chromium.org>2017-11-06 20:01:13 +0000
commit898690313426bf1604e0bb6def684db84a782494 (patch)
treedcb07d1dfca1475bb4e1c39992fc3f88e70d91ba /core/fpdfapi/page/cpdf_psengine.cpp
parentd7a3f981fdc6bf9aef306854505638db7b4b51c7 (diff)
downloadpdfium-898690313426bf1604e0bb6def684db84a782494.tar.xz
Add a CPDF_PSEngine test.
Change-Id: Ia267f40dc4ebe9e1d28b6a333eddcff749414ffa Reviewed-on: https://pdfium-review.googlesource.com/17870 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'core/fpdfapi/page/cpdf_psengine.cpp')
-rw-r--r--core/fpdfapi/page/cpdf_psengine.cpp127
1 files changed, 64 insertions, 63 deletions
diff --git a/core/fpdfapi/page/cpdf_psengine.cpp b/core/fpdfapi/page/cpdf_psengine.cpp
index d879ead9c1..9dfa9989f0 100644
--- a/core/fpdfapi/page/cpdf_psengine.cpp
+++ b/core/fpdfapi/page/cpdf_psengine.cpp
@@ -46,39 +46,32 @@ const PDF_PSOpName kPsOpNames[] = {
} // namespace
-class CPDF_PSOP {
- public:
- explicit CPDF_PSOP(PDF_PSOP op) : m_op(op), m_value(0) {
- ASSERT(m_op != PSOP_CONST);
- ASSERT(m_op != PSOP_PROC);
- }
- explicit CPDF_PSOP(float value) : m_op(PSOP_CONST), m_value(value) {}
- CPDF_PSOP()
- : m_op(PSOP_PROC),
- m_value(0),
- m_proc(pdfium::MakeUnique<CPDF_PSProc>()) {}
-
- float GetFloatValue() const {
- if (m_op == PSOP_CONST)
- return m_value;
-
- NOTREACHED();
- return 0;
- }
- CPDF_PSProc* GetProc() const {
- if (m_op == PSOP_PROC)
- return m_proc.get();
- NOTREACHED();
- return nullptr;
- }
+CPDF_PSOP::CPDF_PSOP()
+ : m_op(PSOP_PROC), m_value(0), m_proc(pdfium::MakeUnique<CPDF_PSProc>()) {}
- PDF_PSOP GetOp() const { return m_op; }
+CPDF_PSOP::CPDF_PSOP(PDF_PSOP op) : m_op(op), m_value(0) {
+ ASSERT(m_op != PSOP_CONST);
+ ASSERT(m_op != PSOP_PROC);
+}
- private:
- const PDF_PSOP m_op;
- const float m_value;
- std::unique_ptr<CPDF_PSProc> m_proc;
-};
+CPDF_PSOP::CPDF_PSOP(float value) : m_op(PSOP_CONST), m_value(value) {}
+
+CPDF_PSOP::~CPDF_PSOP() {}
+
+float CPDF_PSOP::GetFloatValue() const {
+ if (m_op == PSOP_CONST)
+ return m_value;
+
+ NOTREACHED();
+ return 0;
+}
+
+CPDF_PSProc* CPDF_PSOP::GetProc() const {
+ if (m_op == PSOP_PROC)
+ return m_proc.get();
+ NOTREACHED();
+ return nullptr;
+}
bool CPDF_PSEngine::Execute() {
return m_MainProc.Execute(this);
@@ -87,6 +80,29 @@ bool CPDF_PSEngine::Execute() {
CPDF_PSProc::CPDF_PSProc() {}
CPDF_PSProc::~CPDF_PSProc() {}
+bool CPDF_PSProc::Parse(CPDF_SimpleParser* parser, int depth) {
+ if (depth > kMaxDepth)
+ return false;
+
+ while (1) {
+ ByteStringView word = parser->GetWord();
+ if (word.IsEmpty())
+ return false;
+
+ if (word == "}")
+ return true;
+
+ if (word == "{") {
+ m_Operators.push_back(pdfium::MakeUnique<CPDF_PSOP>());
+ if (!m_Operators.back()->GetProc()->Parse(parser, depth + 1))
+ return false;
+ continue;
+ }
+
+ AddOperator(word);
+ }
+}
+
bool CPDF_PSProc::Execute(CPDF_PSEngine* pEngine) {
for (size_t i = 0; i < m_Operators.size(); ++i) {
const PDF_PSOP op = m_Operators[i]->GetOp();
@@ -118,6 +134,23 @@ bool CPDF_PSProc::Execute(CPDF_PSEngine* pEngine) {
return true;
}
+void CPDF_PSProc::AddOperatorForTesting(const ByteStringView& word) {
+ AddOperator(word);
+}
+
+void CPDF_PSProc::AddOperator(const ByteStringView& word) {
+ std::unique_ptr<CPDF_PSOP> op;
+ for (const PDF_PSOpName& op_name : kPsOpNames) {
+ if (word == ByteStringView(op_name.name)) {
+ op = pdfium::MakeUnique<CPDF_PSOP>(op_name.op);
+ break;
+ }
+ }
+ if (!op)
+ op = pdfium::MakeUnique<CPDF_PSOP>(FX_atof(word));
+ m_Operators.push_back(std::move(op));
+}
+
CPDF_PSEngine::CPDF_PSEngine() : m_StackCount(0) {}
CPDF_PSEngine::~CPDF_PSEngine() {}
@@ -141,38 +174,6 @@ bool CPDF_PSEngine::Parse(const char* str, int size) {
return word == "{" ? m_MainProc.Parse(&parser, 0) : false;
}
-bool CPDF_PSProc::Parse(CPDF_SimpleParser* parser, int depth) {
- if (depth > kMaxDepth)
- return false;
-
- while (1) {
- ByteStringView word = parser->GetWord();
- if (word.IsEmpty())
- return false;
-
- if (word == "}")
- return true;
-
- if (word == "{") {
- m_Operators.push_back(pdfium::MakeUnique<CPDF_PSOP>());
- if (!m_Operators.back()->GetProc()->Parse(parser, depth + 1))
- return false;
- continue;
- }
-
- std::unique_ptr<CPDF_PSOP> op;
- for (const PDF_PSOpName& op_name : kPsOpNames) {
- if (word == ByteStringView(op_name.name)) {
- op = pdfium::MakeUnique<CPDF_PSOP>(op_name.op);
- break;
- }
- }
- if (!op)
- op = pdfium::MakeUnique<CPDF_PSOP>(FX_atof(word));
- m_Operators.push_back(std::move(op));
- }
-}
-
bool CPDF_PSEngine::DoOperator(PDF_PSOP op) {
int i1;
int i2;