The Tor Browser: gfx/skia/trunk/src/core/SkMetaData.cpp@129ffea94266 (annotated)

gfx/skia/trunk/src/core/SkMetaData.cpp@129ffea94266 (annotated)

gfx/skia/trunk/src/core/SkMetaData.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /*
  * Copyright 2006 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.
  */
 #include "SkMetaData.h"
 #include "SkRefCnt.h"
 struct PtrPair {
     void*               fPtr;
     SkMetaData::PtrProc fProc;
 };
 void* SkMetaData::RefCntProc(void* ptr, bool doRef) {
     SkASSERT(ptr);
     SkRefCnt* refcnt = reinterpret_cast<SkRefCnt*>(ptr);
     if (doRef) {
         refcnt->ref();
     } else {
         refcnt->unref();
     }
     return ptr;
 }
 SkMetaData::SkMetaData() : fRec(NULL)
 {
 }
 SkMetaData::SkMetaData(const SkMetaData& src) : fRec(NULL)
 {
     *this = src;
 }
 SkMetaData::~SkMetaData()
 {
     this->reset();
 }
 void SkMetaData::reset()
 {
     Rec* rec = fRec;
     while (rec) {
         if (kPtr_Type == rec->fType) {
             PtrPair* pair = (PtrPair*)rec->data();
             if (pair->fProc && pair->fPtr) {
                 pair->fPtr = pair->fProc(pair->fPtr, false);
             }
         }
         Rec* next = rec->fNext;
         Rec::Free(rec);
         rec = next;
     }
     fRec = NULL;
 }
 SkMetaData& SkMetaData::operator=(const SkMetaData& src)
 {
     this->reset();
     const Rec* rec = src.fRec;
     while (rec)
     {
         this->set(rec->name(), rec->data(), rec->fDataLen, (Type)rec->fType, rec->fDataCount);
         rec = rec->fNext;
     }
     return *this;
 }
 void SkMetaData::setS32(const char name[], int32_t value)
 {
     (void)this->set(name, &value, sizeof(int32_t), kS32_Type, 1);
 }
 void SkMetaData::setScalar(const char name[], SkScalar value)
 {
     (void)this->set(name, &value, sizeof(SkScalar), kScalar_Type, 1);
 }
 SkScalar* SkMetaData::setScalars(const char name[], int count, const SkScalar values[])
 {
     SkASSERT(count > 0);
     if (count > 0)
         return (SkScalar*)this->set(name, values, sizeof(SkScalar), kScalar_Type, count);
     return NULL;
 }
 void SkMetaData::setString(const char name[], const char value[])
 {
     (void)this->set(name, value, sizeof(char), kString_Type, SkToInt(strlen(value) + 1));
 }
 void SkMetaData::setPtr(const char name[], void* ptr, PtrProc proc) {
     PtrPair pair = { ptr, proc };
     (void)this->set(name, &pair, sizeof(PtrPair), kPtr_Type, 1);
 }
 void SkMetaData::setBool(const char name[], bool value)
 {
     (void)this->set(name, &value, sizeof(bool), kBool_Type, 1);
 }
 void SkMetaData::setData(const char name[], const void* data, size_t byteCount) {
     (void)this->set(name, data, sizeof(char), kData_Type, SkToInt(byteCount));
 }
 void* SkMetaData::set(const char name[], const void* data, size_t dataSize, Type type, int count)
 {
     SkASSERT(name);
     SkASSERT(dataSize);
     SkASSERT(count > 0);
     (void)this->remove(name, type);
     size_t  len = strlen(name);
     Rec*    rec = Rec::Alloc(sizeof(Rec) + dataSize * count + len + 1);
 #ifndef SK_DEBUG
     rec->fType = SkToU8(type);
 #else
     rec->fType = type;
 #endif
     rec->fDataLen = SkToU8(dataSize);
     rec->fDataCount = SkToU16(count);
     if (data)
         memcpy(rec->data(), data, dataSize * count);
     memcpy(rec->name(), name, len + 1);
     if (kPtr_Type == type) {
         PtrPair* pair = (PtrPair*)rec->data();
         if (pair->fProc && pair->fPtr) {
             pair->fPtr = pair->fProc(pair->fPtr, true);
         }
     }
     rec->fNext = fRec;
     fRec = rec;
     return rec->data();
 }
 bool SkMetaData::findS32(const char name[], int32_t* value) const
 {
     const Rec* rec = this->find(name, kS32_Type);
     if (rec)
     {
         SkASSERT(rec->fDataCount == 1);
         if (value)
             *value = *(const int32_t*)rec->data();
         return true;
     }
     return false;
 }
 bool SkMetaData::findScalar(const char name[], SkScalar* value) const
 {
     const Rec* rec = this->find(name, kScalar_Type);
     if (rec)
     {
         SkASSERT(rec->fDataCount == 1);
         if (value)
             *value = *(const SkScalar*)rec->data();
         return true;
     }
     return false;
 }
 const SkScalar* SkMetaData::findScalars(const char name[], int* count, SkScalar values[]) const
 {
     const Rec* rec = this->find(name, kScalar_Type);
     if (rec)
     {
         if (count)
             *count = rec->fDataCount;
         if (values)
             memcpy(values, rec->data(), rec->fDataCount * rec->fDataLen);
         return (const SkScalar*)rec->data();
     }
     return NULL;
 }
 bool SkMetaData::findPtr(const char name[], void** ptr, PtrProc* proc) const {
     const Rec* rec = this->find(name, kPtr_Type);
     if (rec) {
         SkASSERT(rec->fDataCount == 1);
         const PtrPair* pair = (const PtrPair*)rec->data();
         if (ptr) {
             *ptr = pair->fPtr;
         }
         if (proc) {
             *proc = pair->fProc;
         }
         return true;
     }
     return false;
 }
 const char* SkMetaData::findString(const char name[]) const
 {
     const Rec* rec = this->find(name, kString_Type);
     SkASSERT(rec == NULL || rec->fDataLen == sizeof(char));
     return rec ? (const char*)rec->data() : NULL;
 }
 bool SkMetaData::findBool(const char name[], bool* value) const
 {
     const Rec* rec = this->find(name, kBool_Type);
     if (rec)
     {
         SkASSERT(rec->fDataCount == 1);
         if (value)
             *value = *(const bool*)rec->data();
         return true;
     }
     return false;
 }
 const void* SkMetaData::findData(const char name[], size_t* length) const {
     const Rec* rec = this->find(name, kData_Type);
     if (rec) {
         SkASSERT(rec->fDataLen == sizeof(char));
         if (length) {
             *length = rec->fDataCount;
         }
         return rec->data();
     }
     return NULL;
 }
 const SkMetaData::Rec* SkMetaData::find(const char name[], Type type) const
 {
     const Rec* rec = fRec;
     while (rec)
     {
         if (rec->fType == type && !strcmp(rec->name(), name))
             return rec;
         rec = rec->fNext;
     }
     return NULL;
 }
 bool SkMetaData::remove(const char name[], Type type) {
     Rec* rec = fRec;
     Rec* prev = NULL;
     while (rec) {
         Rec* next = rec->fNext;
         if (rec->fType == type && !strcmp(rec->name(), name)) {
             if (prev) {
                 prev->fNext = next;
             } else {
                 fRec = next;
             }
             if (kPtr_Type == type) {
                 PtrPair* pair = (PtrPair*)rec->data();
                 if (pair->fProc && pair->fPtr) {
                     (void)pair->fProc(pair->fPtr, false);
                 }
             }
             Rec::Free(rec);
             return true;
         }
         prev = rec;
         rec = next;
     }
     return false;
 }
 bool SkMetaData::removeS32(const char name[])
 {
     return this->remove(name, kS32_Type);
 }
 bool SkMetaData::removeScalar(const char name[])
 {
     return this->remove(name, kScalar_Type);
 }
 bool SkMetaData::removeString(const char name[])
 {
     return this->remove(name, kString_Type);
 }
 bool SkMetaData::removePtr(const char name[])
 {
     return this->remove(name, kPtr_Type);
 }
 bool SkMetaData::removeBool(const char name[])
 {
     return this->remove(name, kBool_Type);
 }
 bool SkMetaData::removeData(const char name[]) {
     return this->remove(name, kData_Type);
 }
 ///////////////////////////////////////////////////////////////////////////////
 SkMetaData::Iter::Iter(const SkMetaData& metadata) {
     fRec = metadata.fRec;
 }
 void SkMetaData::Iter::reset(const SkMetaData& metadata) {
     fRec = metadata.fRec;
 }
 const char* SkMetaData::Iter::next(SkMetaData::Type* t, int* count) {
     const char* name = NULL;
     if (fRec) {
         if (t) {
             *t = (SkMetaData::Type)fRec->fType;
         }
         if (count) {
             *count = fRec->fDataCount;
         }
         name = fRec->name();
         fRec = fRec->fNext;
     }
     return name;
 }
 ///////////////////////////////////////////////////////////////////////////////
 SkMetaData::Rec* SkMetaData::Rec::Alloc(size_t size) {
     return (Rec*)sk_malloc_throw(size);
 }
 void SkMetaData::Rec::Free(Rec* rec) {
     sk_free(rec);
 }

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gfx/skia/trunk/src/core/SkMetaData.cpp@129ffea94266 (annotated)

gfx/skia/trunk/src/core/SkMetaData.cpp