Make CJBig2_Context::GetHuffmanTable return const
This CL changes GetHuffmanTable() to return a const pointer and fixes
other members / functions accordingly.
Change-Id: Ie62fe044b3156f67885dd4fa1f6512cbd35a83d3
Reviewed-on: https://pdfium-review.googlesource.com/35116
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
diff --git a/core/fxcodec/jbig2/JBig2_Context.cpp b/core/fxcodec/jbig2/JBig2_Context.cpp
index ef0cb95..ec81990 100644
--- a/core/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/fxcodec/jbig2/JBig2_Context.cpp
@@ -1240,7 +1240,7 @@
return SBSYMCODES;
}
-CJBig2_HuffmanTable* CJBig2_Context::GetHuffmanTable(size_t idx) {
+const CJBig2_HuffmanTable* CJBig2_Context::GetHuffmanTable(size_t idx) {
ASSERT(idx > 0);
ASSERT(idx < CJBig2_HuffmanTable::kNumHuffmanTables);
if (!m_HuffmanTables[idx].get())
diff --git a/core/fxcodec/jbig2/JBig2_Context.h b/core/fxcodec/jbig2/JBig2_Context.h
index 3113cce..20828a2 100644
--- a/core/fxcodec/jbig2/JBig2_Context.h
+++ b/core/fxcodec/jbig2/JBig2_Context.h
@@ -79,7 +79,7 @@
std::vector<JBig2HuffmanCode> DecodeSymbolIDHuffmanTable(uint32_t SBNUMSYMS);
- CJBig2_HuffmanTable* GetHuffmanTable(size_t idx);
+ const CJBig2_HuffmanTable* GetHuffmanTable(size_t idx);
std::unique_ptr<CJBig2_Context> m_pGlobalContext;
std::unique_ptr<CJBig2_BitStream> m_pStream;
diff --git a/core/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp b/core/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp
index 7f250a5..bea2b09 100644
--- a/core/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp
+++ b/core/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp
@@ -14,7 +14,7 @@
CJBig2_HuffmanDecoder::~CJBig2_HuffmanDecoder() {}
-int CJBig2_HuffmanDecoder::DecodeAValue(CJBig2_HuffmanTable* pTable,
+int CJBig2_HuffmanDecoder::DecodeAValue(const CJBig2_HuffmanTable* pTable,
int* nResult) {
FX_SAFE_INT32 nSafeVal = 0;
int nBits = 0;
diff --git a/core/fxcodec/jbig2/JBig2_HuffmanDecoder.h b/core/fxcodec/jbig2/JBig2_HuffmanDecoder.h
index 5daf1fc..48f8d0f 100644
--- a/core/fxcodec/jbig2/JBig2_HuffmanDecoder.h
+++ b/core/fxcodec/jbig2/JBig2_HuffmanDecoder.h
@@ -16,7 +16,7 @@
explicit CJBig2_HuffmanDecoder(CJBig2_BitStream* pStream);
~CJBig2_HuffmanDecoder();
- int DecodeAValue(CJBig2_HuffmanTable* pTable, int* nResult);
+ int DecodeAValue(const CJBig2_HuffmanTable* pTable, int* nResult);
private:
UnownedPtr<CJBig2_BitStream> const m_pStream;
diff --git a/core/fxcodec/jbig2/JBig2_SddProc.h b/core/fxcodec/jbig2/JBig2_SddProc.h
index 672c2c3..a6fb039 100644
--- a/core/fxcodec/jbig2/JBig2_SddProc.h
+++ b/core/fxcodec/jbig2/JBig2_SddProc.h
@@ -36,10 +36,10 @@
CJBig2_Image** SDINSYMS;
uint32_t SDNUMNEWSYMS;
uint32_t SDNUMEXSYMS;
- CJBig2_HuffmanTable* SDHUFFDH;
- CJBig2_HuffmanTable* SDHUFFDW;
- CJBig2_HuffmanTable* SDHUFFBMSIZE;
- CJBig2_HuffmanTable* SDHUFFAGGINST;
+ const CJBig2_HuffmanTable* SDHUFFDH;
+ const CJBig2_HuffmanTable* SDHUFFDW;
+ const CJBig2_HuffmanTable* SDHUFFBMSIZE;
+ const CJBig2_HuffmanTable* SDHUFFAGGINST;
uint8_t SDTEMPLATE;
int8_t SDAT[8];
bool SDRTEMPLATE;
diff --git a/core/fxcodec/jbig2/JBig2_TrdProc.h b/core/fxcodec/jbig2/JBig2_TrdProc.h
index 3db3121..1d90bf4 100644
--- a/core/fxcodec/jbig2/JBig2_TrdProc.h
+++ b/core/fxcodec/jbig2/JBig2_TrdProc.h
@@ -72,14 +72,14 @@
JBig2Corner REFCORNER;
int8_t SBDSOFFSET;
- CJBig2_HuffmanTable* SBHUFFFS;
- CJBig2_HuffmanTable* SBHUFFDS;
- CJBig2_HuffmanTable* SBHUFFDT;
- CJBig2_HuffmanTable* SBHUFFRDW;
- CJBig2_HuffmanTable* SBHUFFRDH;
- CJBig2_HuffmanTable* SBHUFFRDX;
- CJBig2_HuffmanTable* SBHUFFRDY;
- CJBig2_HuffmanTable* SBHUFFRSIZE;
+ const CJBig2_HuffmanTable* SBHUFFFS;
+ const CJBig2_HuffmanTable* SBHUFFDS;
+ const CJBig2_HuffmanTable* SBHUFFDT;
+ const CJBig2_HuffmanTable* SBHUFFRDW;
+ const CJBig2_HuffmanTable* SBHUFFRDH;
+ const CJBig2_HuffmanTable* SBHUFFRDX;
+ const CJBig2_HuffmanTable* SBHUFFRDY;
+ const CJBig2_HuffmanTable* SBHUFFRSIZE;
bool SBRTEMPLATE;
int8_t SBRAT[4];