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C++ StringData::setSize方法代码示例

本文整理汇总了C++中StringData::setSize方法的典型用法代码示例。如果您正苦于以下问题:C++ StringData::setSize方法的具体用法?C++ StringData::setSize怎么用?C++ StringData::setSize使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在StringData的用法示例。


在下文中一共展示了StringData::setSize方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: unserialize

void String::unserialize(VariableUnserializer *uns,
                         char delimiter0 /* = '"' */,
                         char delimiter1 /* = '"' */) {
  int64_t size = uns->readInt();
  if (size >= RuntimeOption::MaxSerializedStringSize) {
    throw Exception("Size of serialized string (%d) exceeds max", int(size));
  }
  if (size < 0) {
    throw Exception("Size of serialized string (%d) must not be negative",
                    int(size));
  }

  char ch = uns->readChar();
  if (ch != ':') {
    throw Exception("Expected ':' but got '%c'", ch);
  }
  ch = uns->readChar();
  if (ch != delimiter0) {
    throw Exception("Expected '%c' but got '%c'", delimiter0, ch);
  }
  StringData *px = NEW(StringData)(int(size));
  MutableSlice buf = px->mutableSlice();
  assert(size <= buf.len);
  uns->read(buf.ptr, size);
  px->setSize(size);
  if (m_px) decRefStr(m_px);
  m_px = px;
  px->setRefCount(1);

  ch = uns->readChar();
  if (ch != delimiter1) {
    throw Exception("Expected '%c' but got '%c'", delimiter1, ch);
  }
}
开发者ID:silvajohnny,项目名称:hiphop-php,代码行数:34,代码来源:type_string.cpp

示例2: unserialize

void String::unserialize(VariableUnserializer *uns,
                         char delimiter0 /* = '"' */,
                         char delimiter1 /* = '"' */) {
  int64_t size = uns->readInt();
  if (size >= RuntimeOption::MaxSerializedStringSize) {
    throw Exception("Size of serialized string (%d) exceeds max", int(size));
  }
  if (size < 0) {
    throw Exception("Size of serialized string (%d) must not be negative",
                    int(size));
  }

  uns->expectChar(':');
  uns->expectChar(delimiter0);

  StringData *px = StringData::Make(int(size));
  auto const buf = px->bufferSlice();
  assert(size <= buf.len);
  uns->read(buf.ptr, size);
  px->setSize(size);
  if (m_px) decRefStr(m_px);
  m_px = px;
  px->setRefCount(1);

  uns->expectChar(delimiter1);
}
开发者ID:bsmr-misc-forks,项目名称:hhvm,代码行数:26,代码来源:type-string.cpp

示例3: concat3

String concat3(const String& s1, const String& s2, const String& s3) {
  StringSlice r1 = s1.slice();
  StringSlice r2 = s2.slice();
  StringSlice r3 = s3.slice();
  int len = r1.len + r2.len + r3.len;
  StringData* str = StringData::Make(len);
  auto const r = str->bufferSlice();
  memcpy(r.ptr,                   r1.ptr, r1.len);
  memcpy(r.ptr + r1.len,          r2.ptr, r2.len);
  memcpy(r.ptr + r1.len + r2.len, r3.ptr, r3.len);
  str->setSize(len);
  return str;
}
开发者ID:2bj,项目名称:hhvm,代码行数:13,代码来源:builtin-functions.cpp

示例4: detach

String StringBuffer::detach() {
  if (m_buffer && m_len) {
    assert(m_str && m_str->getCount() == 0);
    m_buffer[m_len] = '\0'; // fixup
    StringData* str = m_str;
    str->setSize(m_len);
    m_str = 0;
    m_buffer = 0;
    m_len = 0;
    m_cap = 0;
    return String(str); // causes incref
  }
  return empty_string();
}
开发者ID:CryQ,项目名称:hhvm,代码行数:14,代码来源:string-buffer.cpp

示例5: detachImpl

String StringBuffer::detachImpl() {
  TAINT_OBSERVER_REGISTER_ACCESSED(m_taint_data);
#ifdef TAINTED
  m_taint_data.unsetTaint(TAINT_BIT_ALL);
#endif

  if (m_buffer && m_len) {
    ASSERT(m_str && m_str->getCount() == 0);
    m_buffer[m_len] = '\0'; // fixup
    StringData* str = m_str;
    str->setSize(m_len);
    m_str = 0;
    m_buffer = 0;
    m_len = 0;
    m_cap = 0;
    return String(str); // causes incref
  }
  return String("");
}
开发者ID:AviMoto,项目名称:hiphop-php,代码行数:19,代码来源:string_buffer.cpp

示例6: xdebug_get_php_symbol

Variant xdebug_get_php_symbol(ActRec* ar, StringData* name) {
    int state;
    auto slice = name->slice();
    const char *p = slice.begin();
    const char *end = slice.end();
    const char *keyword = nullptr;
    const char *keyword_end = nullptr;
    Class* ctx = nullptr;
    Variant sym;
    String key(name->size(), ReserveStringMode());
    char quotechar = 0;
    SymbolType type = SymbolType::Root;

    StringData* sd = key.get();
    char* keyBuf = sd->mutableData();

    for (; p != end; ++p) {
        switch (state) {
        case 0:
            if (*p == '$') {
                keyword = p + 1;
                break;
            }
            // special tricks
            if (*p == ':') {
                keyword = p;
                state = 7;
                break;
            }
            keyword = p;
            state = 1;
        // fallthrough
        case 1:
            if (*p == '[') {
                keyword_end = p;
                if (keyword) {
                    memcpy(keyBuf, keyword, keyword_end - keyword);
                    sd->setSize(keyword_end - keyword);
                    sym = xdebug_lookup_symbol(type, key, ctx, sym, ar);
                    ctx = nullptr;
                    keyword = nullptr;
                }
                state = 3;
            } else if (*p == '-') {
                keyword_end = p;
                if (keyword) {
                    memcpy(keyBuf, keyword, keyword_end - keyword);
                    sd->setSize(keyword_end - keyword);
                    sym = xdebug_lookup_symbol(type, key, ctx, sym, ar);
                    ctx = xdebug_get_sym_class(sym);
                    keyword = nullptr;
                }
                state = 2;
                type = SymbolType::ObjProp;
            } else if (*p == ':') {
                keyword_end = p;
                if (keyword) {
                    memcpy(keyBuf, keyword, keyword_end - keyword);
                    sd->setSize(keyword_end - keyword);
                    // XXX: this call is going to set ctx
                    sym = xdebug_lookup_symbol(type, key, ctx, sym, ar);
                    keyword = nullptr;
                }
                state = 8;
                type = SymbolType::StaticProp;
            }
            break;
        case 2:
            if (*p != '>') {
                keyword = p;
                state = 1;
            }
            break;
        case 8:
            if (*p != ':') {
                keyword = p;
                state = 1;
            }
            break;
        // Parsing in [...]
        case 3:
            // Associative arrays
            if (*p == '\'' || *p == '"') {
                state = 4;
                keyword = p + 1;
                quotechar = *p;
                type = SymbolType::ArrayIndexAssoc;
            }
            // Numerical index
            if (*p >= '0' && *p <= '9') {
                state = 6;
                keyword = p;
                type = SymbolType::ArrayIndexNum;
            }
            // Numerical index starting with a -
            if (*p == '-') {
                state = 9;
                keyword = p;
            }
            break;
//.........这里部分代码省略.........
开发者ID:,项目名称:,代码行数:101,代码来源:


注:本文中的StringData::setSize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。