Index: src/core/SkReader32.h |
diff --git a/src/core/SkReader32.h b/src/core/SkReader32.h |
deleted file mode 100644 |
index 3d874d170a269220653dfa9398d2a01cb67bd354..0000000000000000000000000000000000000000 |
--- a/src/core/SkReader32.h |
+++ /dev/null |
@@ -1,160 +0,0 @@ |
- |
-/* |
- * Copyright 2008 The Android Open Source Project |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
- |
- |
-#ifndef SkReader32_DEFINED |
-#define SkReader32_DEFINED |
- |
-#include "SkMatrix.h" |
-#include "SkPath.h" |
-#include "SkRegion.h" |
-#include "SkRRect.h" |
-#include "SkScalar.h" |
- |
-class SkString; |
- |
-class SkReader32 : SkNoncopyable { |
-public: |
- SkReader32() : fCurr(NULL), fStop(NULL), fBase(NULL) {} |
- SkReader32(const void* data, size_t size) { |
- this->setMemory(data, size); |
- } |
- |
- void setMemory(const void* data, size_t size) { |
- SkASSERT(ptr_align_4(data)); |
- SkASSERT(SkAlign4(size) == size); |
- |
- fBase = fCurr = (const char*)data; |
- fStop = (const char*)data + size; |
- } |
- |
- size_t size() const { return fStop - fBase; } |
- size_t offset() const { return fCurr - fBase; } |
- bool eof() const { return fCurr >= fStop; } |
- const void* base() const { return fBase; } |
- const void* peek() const { return fCurr; } |
- |
- size_t available() const { return fStop - fCurr; } |
- bool isAvailable(size_t size) const { return size <= this->available(); } |
- |
- void rewind() { fCurr = fBase; } |
- |
- void setOffset(size_t offset) { |
- SkASSERT(SkAlign4(offset) == offset); |
- SkASSERT(offset <= this->size()); |
- fCurr = fBase + offset; |
- } |
- |
- bool readBool() { return this->readInt() != 0; } |
- |
- int32_t readInt() { |
- SkASSERT(ptr_align_4(fCurr)); |
- int32_t value = *(const int32_t*)fCurr; |
- fCurr += sizeof(value); |
- SkASSERT(fCurr <= fStop); |
- return value; |
- } |
- |
- void* readPtr() { |
- void* ptr; |
- // we presume this "if" is resolved at compile-time |
- if (4 == sizeof(void*)) { |
- ptr = *(void**)fCurr; |
- } else { |
- memcpy(&ptr, fCurr, sizeof(void*)); |
- } |
- fCurr += sizeof(void*); |
- return ptr; |
- } |
- |
- SkScalar readScalar() { |
- SkASSERT(ptr_align_4(fCurr)); |
- SkScalar value = *(const SkScalar*)fCurr; |
- fCurr += sizeof(value); |
- SkASSERT(fCurr <= fStop); |
- return value; |
- } |
- |
- const void* skip(size_t size) { |
- SkASSERT(ptr_align_4(fCurr)); |
- const void* addr = fCurr; |
- fCurr += SkAlign4(size); |
- SkASSERT(fCurr <= fStop); |
- return addr; |
- } |
- |
- template <typename T> const T& skipT() { |
- SkASSERT(SkAlign4(sizeof(T)) == sizeof(T)); |
- return *(const T*)this->skip(sizeof(T)); |
- } |
- |
- void read(void* dst, size_t size) { |
- SkASSERT(0 == size || dst != NULL); |
- SkASSERT(ptr_align_4(fCurr)); |
- memcpy(dst, fCurr, size); |
- fCurr += SkAlign4(size); |
- SkASSERT(fCurr <= fStop); |
- } |
- |
- uint8_t readU8() { return (uint8_t)this->readInt(); } |
- uint16_t readU16() { return (uint16_t)this->readInt(); } |
- int32_t readS32() { return this->readInt(); } |
- uint32_t readU32() { return this->readInt(); } |
- |
- bool readPath(SkPath* path) { |
- return this->readObjectFromMemory(path); |
- } |
- |
- bool readMatrix(SkMatrix* matrix) { |
- return this->readObjectFromMemory(matrix); |
- } |
- |
- bool readRRect(SkRRect* rrect) { |
- return this->readObjectFromMemory(rrect); |
- } |
- |
- bool readRegion(SkRegion* rgn) { |
- return this->readObjectFromMemory(rgn); |
- } |
- |
- /** |
- * Read the length of a string (written by SkWriter32::writeString) into |
- * len (if len is not NULL) and return the null-ternimated address of the |
- * string within the reader's buffer. |
- */ |
- const char* readString(size_t* len = NULL); |
- |
- /** |
- * Read the string (written by SkWriter32::writeString) and return it in |
- * copy (if copy is not null). Return the length of the string. |
- */ |
- size_t readIntoString(SkString* copy); |
- |
-private: |
- template <typename T> bool readObjectFromMemory(T* obj) { |
- size_t size = obj->readFromMemory(this->peek(), this->available()); |
- // If readFromMemory() fails (which means that available() was too small), it returns 0 |
- bool success = (size > 0) && (size <= this->available()) && (SkAlign4(size) == size); |
- // In case of failure, we want to skip to the end |
- (void)this->skip(success ? size : this->available()); |
- return success; |
- } |
- |
- // these are always 4-byte aligned |
- const char* fCurr; // current position within buffer |
- const char* fStop; // end of buffer |
- const char* fBase; // beginning of buffer |
- |
-#ifdef SK_DEBUG |
- static bool ptr_align_4(const void* ptr) { |
- return (((const char*)ptr - (const char*)NULL) & 3) == 0; |
- } |
-#endif |
-}; |
- |
-#endif |