104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
//
|
|
// File: gs_string_builder.h
|
|
// Author: Peter Slattery
|
|
// Creation Date: 2020-01-01
|
|
//
|
|
#ifndef GS_STRING_BUILDER_H
|
|
|
|
#ifndef GS_STRING_BUILDER_NO_STDIO
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
#define STRING_BUILDER_BUFFER_CAPACITY 4096
|
|
struct string_builder_buffer
|
|
{
|
|
u8* BufferMemory;
|
|
string String;
|
|
string_builder_buffer* Next;
|
|
};
|
|
|
|
struct string_builder
|
|
{
|
|
string_builder_buffer* Buffers;
|
|
string_builder_buffer* Head;
|
|
};
|
|
|
|
internal void
|
|
GrowStringBuilder(string_builder* StringBuilder)
|
|
{
|
|
u8* BufferAndHeader = (u8*)malloc(sizeof(string_builder_buffer) + STRING_BUILDER_BUFFER_CAPACITY);
|
|
string_builder_buffer* NewBuffer = (string_builder_buffer*)BufferAndHeader;
|
|
*NewBuffer = {0};
|
|
|
|
NewBuffer->BufferMemory = (u8*)(NewBuffer + 1);
|
|
NewBuffer->String = MakeString((char*)NewBuffer->BufferMemory, 0, STRING_BUILDER_BUFFER_CAPACITY);
|
|
|
|
if (!StringBuilder->Buffers)
|
|
{
|
|
StringBuilder->Buffers = NewBuffer;
|
|
StringBuilder->Head = NewBuffer;
|
|
}
|
|
else
|
|
{
|
|
StringBuilder->Head->Next = NewBuffer;
|
|
StringBuilder->Head = NewBuffer;
|
|
}
|
|
}
|
|
|
|
internal void
|
|
Write(string Text, string_builder* StringBuilder)
|
|
{
|
|
string TextLeft = Text;
|
|
|
|
if (StringBuilder->Buffers == 0)
|
|
{
|
|
GrowStringBuilder(StringBuilder);
|
|
}
|
|
|
|
while (TextLeft.Length > 0)
|
|
{
|
|
// Copy what there is room for
|
|
s32 SpaceAvailable = StringBuilder->Head->String.Max - StringBuilder->Head->String.Length;
|
|
|
|
ConcatString(TextLeft, GSMin(SpaceAvailable, TextLeft.Length), &StringBuilder->Head->String);
|
|
TextLeft.Memory += SpaceAvailable;
|
|
TextLeft.Length -= SpaceAvailable;
|
|
|
|
if (TextLeft.Length > 0)
|
|
{
|
|
GrowStringBuilder(StringBuilder);
|
|
}
|
|
}
|
|
}
|
|
|
|
internal void
|
|
WriteF(string_builder* StringBuilder, char* Format, ...)
|
|
{
|
|
MakeStringBuffer(Buffer, 256);
|
|
|
|
va_list Args;
|
|
va_start(Args, Format);
|
|
Buffer.Length = PrintFArgsList(Buffer.Memory, Buffer.Max, Format, Args);
|
|
va_end(Args);
|
|
|
|
Write(Buffer, StringBuilder);
|
|
}
|
|
|
|
#ifndef GS_STRING_BUILDER_NO_STDIO
|
|
|
|
internal void
|
|
WriteStringBuilderToFile(string_builder StringBuilder, FILE* WriteFile)
|
|
{
|
|
string_builder_buffer* BufferAt = StringBuilder.Buffers;
|
|
while (BufferAt)
|
|
{
|
|
string String = BufferAt->String;
|
|
fwrite(String.Memory, 1, String.Length, WriteFile);
|
|
BufferAt = BufferAt->Next;
|
|
}
|
|
}
|
|
|
|
#endif // GS_STRING_BUILDER_NO_STDIO
|
|
|
|
#define GS_STRING_BUILDER_H
|
|
#endif // GS_STRING_BUILDER_H
|