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/*
* 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 "SkDOM.h"
#include "SkEvent.h"
void SkEvent::initialize(const char* type, size_t typeLen) {
fType = nullptr;
setType(type, typeLen);
f32 = 0;
#ifdef SK_DEBUG
fTime = 0;
fNextEvent = nullptr;
#endif
}
SkEvent::SkEvent()
{
initialize("", 0);
}
SkEvent::SkEvent(const SkEvent& src)
{
*this = src;
if (((size_t) fType & 1) == 0)
setType(src.fType);
}
SkEvent::SkEvent(const SkString& type)
{
initialize(type.c_str(), type.size());
}
SkEvent::SkEvent(const char type[])
{
SkASSERT(type);
initialize(type, strlen(type));
}
SkEvent::~SkEvent()
{
if (((size_t) fType & 1) == 0)
sk_free((void*) fType);
}
static size_t makeCharArray(char* buffer, size_t compact)
{
size_t bits = (size_t) compact >> 1;
memcpy(buffer, &bits, sizeof(compact));
buffer[sizeof(compact)] = 0;
return strlen(buffer);
}
void SkEvent::getType(SkString* str) const
{
if (str)
{
if ((size_t) fType & 1) // not a pointer
{
char chars[sizeof(size_t) + 1];
size_t len = makeCharArray(chars, (size_t) fType);
str->set(chars, len);
}
else
str->set(fType);
}
}
bool SkEvent::isType(const SkString& str) const
{
return this->isType(str.c_str(), str.size());
}
bool SkEvent::isType(const char type[], size_t typeLen) const
{
if (typeLen == 0)
typeLen = strlen(type);
if ((size_t) fType & 1) { // not a pointer
char chars[sizeof(size_t) + 1];
size_t len = makeCharArray(chars, (size_t) fType);
return len == typeLen && strncmp(chars, type, typeLen) == 0;
}
return strncmp(fType, type, typeLen) == 0 && fType[typeLen] == 0;
}
void SkEvent::setType(const char type[], size_t typeLen)
{
if (typeLen == 0)
typeLen = strlen(type);
if (typeLen <= sizeof(fType)) {
size_t slot = 0;
memcpy(&slot, type, typeLen);
if (slot << 1 >> 1 != slot)
goto useCharStar;
slot <<= 1;
slot |= 1;
fType = (char*) slot;
} else {
useCharStar:
fType = (char*) sk_malloc_throw(typeLen + 1);
SkASSERT(((size_t) fType & 1) == 0);
memcpy(fType, type, typeLen);
fType[typeLen] = 0;
}
}
void SkEvent::setType(const SkString& type)
{
setType(type.c_str());
}
////////////////////////////////////////////////////////////////////////////
#include "SkParse.h"
void SkEvent::inflate(const SkDOM& dom, const SkDOM::Node* node)
{
const char* name = dom.findAttr(node, "type");
if (name)
this->setType(name);
const char* value;
if ((value = dom.findAttr(node, "fast32")) != nullptr)
{
int32_t n;
if (SkParse::FindS32(value, &n))
this->setFast32(n);
}
for (node = dom.getFirstChild(node); node; node = dom.getNextSibling(node))
{
if (strcmp(dom.getName(node), "data"))
{
SkDEBUGCODE(SkDebugf("SkEvent::inflate unrecognized subelement <%s>\n", dom.getName(node));)
continue;
}
name = dom.findAttr(node, "name");
if (name == nullptr)
{
SkDEBUGCODE(SkDebugf("SkEvent::inflate missing required \"name\" attribute in <data> subelement\n");)
continue;
}
if ((value = dom.findAttr(node, "s32")) != nullptr)
{
int32_t n;
if (SkParse::FindS32(value, &n))
this->setS32(name, n);
}
else if ((value = dom.findAttr(node, "scalar")) != nullptr)
{
SkScalar x;
if (SkParse::FindScalar(value, &x))
this->setScalar(name, x);
}
else if ((value = dom.findAttr(node, "string")) != nullptr)
this->setString(name, value);
#ifdef SK_DEBUG
else
{
SkDebugf("SkEvent::inflate <data name=\"%s\"> subelement missing required type attribute [S32 | scalar | string]\n", name);
}
#endif
}
}
#ifdef SK_DEBUG
#ifndef SkScalarToFloat
#define SkScalarToFloat(x) ((x) / 65536.f)
#endif
void SkEvent::dump(const char title[])
{
if (title)
SkDebugf("%s ", title);
SkString etype;
this->getType(&etype);
SkDebugf("event<%s> fast32=%d", etype.c_str(), this->getFast32());
const SkMetaData& md = this->getMetaData();
SkMetaData::Iter iter(md);
SkMetaData::Type mtype;
int count;
const char* name;
while ((name = iter.next(&mtype, &count)) != nullptr)
{
SkASSERT(count > 0);
SkDebugf(" <%s>=", name);
switch (mtype) {
case SkMetaData::kS32_Type: // vector version???
{
int32_t value;
md.findS32(name, &value);
SkDebugf("%d ", value);
}
break;
case SkMetaData::kScalar_Type:
{
const SkScalar* values = md.findScalars(name, &count, nullptr);
SkDebugf("%f", SkScalarToFloat(values[0]));
for (int i = 1; i < count; i++)
SkDebugf(", %f", SkScalarToFloat(values[i]));
SkDebugf(" ");
}
break;
case SkMetaData::kString_Type:
{
const char* value = md.findString(name);
SkASSERT(value);
SkDebugf("<%s> ", value);
}
break;
case SkMetaData::kPtr_Type: // vector version???
{
void* value;
md.findPtr(name, &value);
SkDebugf("%p ", value);
}
break;
case SkMetaData::kBool_Type: // vector version???
{
bool value;
md.findBool(name, &value);
SkDebugf("%s ", value ? "true" : "false");
}
break;
default:
SkDEBUGFAIL("unknown metadata type returned from iterator");
break;
}
}
SkDebugf("\n");
}
#endif
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