blob: 23deeedd8a49ce6acb748d42fffebf3346513f5a [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/allocation.h"
#include "platform/globals.h"
namespace dart {
// TextBuffer maintains a dynamic character buffer with a printf-style way to
// append text.
class TextBuffer : ValueObject {
explicit TextBuffer(intptr_t buf_size);
intptr_t Printf(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
void AddChar(char ch);
void EscapeAndAddUTF16CodeUnit(uint16_t cu);
void EscapeAndAddCodeUnit(uint32_t cu);
void AddString(const char* s);
void AddEscapedString(const char* s);
void AddRaw(const uint8_t* buffer, intptr_t buffer_length);
void Clear();
char* buf() { return buf_; }
intptr_t length() { return msg_len_; }
void set_length(intptr_t len) {
ASSERT(len >= 0);
ASSERT(len <= msg_len_);
msg_len_ = len;
// Steal ownership of the buffer pointer.
// NOTE: TextBuffer is empty afterwards.
char* Steal();
void EnsureCapacity(intptr_t len);
char* buf_;
intptr_t buf_size_;
intptr_t msg_len_;
class BufferFormatter : public ValueObject {
BufferFormatter(char* buffer, intptr_t size)
: position_(0), buffer_(buffer), size_(size) {}
void VPrint(const char* format, va_list args);
void Print(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
intptr_t position_;
char* buffer_;
const intptr_t size_;
} // namespace dart