#ifndef JSStringBuilder_h
#define JSStringBuilder_h
#include "ExceptionHelpers.h"
#include "JSString.h"
#include "UStringConcatenate.h"
#include "Vector.h"
namespace JSC {
class JSStringBuilder {
public:
JSStringBuilder()
: m_okay(true)
{
}
void append(const UChar u)
{
m_okay &= buffer.tryAppend(&u, 1);
}
void append(const char* str)
{
append(str, strlen(str));
}
void append(const char* str, size_t len)
{
m_okay &= buffer.tryReserveCapacity(buffer.size() + len);
for (size_t i = 0; i < len; i++) {
UChar u = static_cast<unsigned char>(str[i]);
m_okay &= buffer.tryAppend(&u, 1);
}
}
void append(const UChar* str, size_t len)
{
m_okay &= buffer.tryAppend(str, len);
}
void append(const UString& str)
{
m_okay &= buffer.tryAppend(str.characters(), str.length());
}
JSValue build(ExecState* exec)
{
if (!m_okay)
return throwOutOfMemoryError(exec);
buffer.shrinkToFit();
if (!buffer.data())
return throwOutOfMemoryError(exec);
return jsString(exec, UString::adopt(buffer));
}
protected:
Vector<UChar, 64> buffer;
bool m_okay;
};
template<typename StringType1, typename StringType2>
inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2)
{
PassRefPtr<StringImpl> result = WTF::tryMakeString(string1, string2);
if (!result)
return throwOutOfMemoryError(exec);
return jsNontrivialString(exec, result);
}
template<typename StringType1, typename StringType2, typename StringType3>
inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3)
{
PassRefPtr<StringImpl> result = WTF::tryMakeString(string1, string2, string3);
if (!result)
return throwOutOfMemoryError(exec);
return jsNontrivialString(exec, result);
}
template<typename StringType1, typename StringType2, typename StringType3, typename StringType4>
inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4)
{
PassRefPtr<StringImpl> result = WTF::tryMakeString(string1, string2, string3, string4);
if (!result)
return throwOutOfMemoryError(exec);
return jsNontrivialString(exec, result);
}
template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5>
inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5)
{
PassRefPtr<StringImpl> result = WTF::tryMakeString(string1, string2, string3, string4, string5);
if (!result)
return throwOutOfMemoryError(exec);
return jsNontrivialString(exec, result);
}
template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6>
inline JSValue jsMakeNontrivialString(ExecState* exec, StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6)
{
PassRefPtr<StringImpl> result = WTF::tryMakeString(string1, string2, string3, string4, string5, string6);
if (!result)
return throwOutOfMemoryError(exec);
return jsNontrivialString(exec, result);
}
}
#endif