XMLStorage::Buffer Struct Reference

line buffer for XS-native parser More...

Public Member Functions
	Buffer ()
	~Buffer ()
void	reset ()
void	append (int c)
const std::string &	str (bool utf8)
size_t	len () const
bool	has_CDEnd () const
XS_String	get_tag () const
void	get_attributes (XMLNode::AttributeMap &attributes) const
	read attributes and values

Protected Attributes
char *	_buffer
char *	_wptr
size_t	_len
std::string	_buffer_str

Detailed Description

line buffer for XS-native parser

Definition at line 77 of file xs-native.cpp.

Constructor & Destructor Documentation

Buffer()

XMLStorage::Buffer::Buffer ( )

inline

Definition at line 79 of file xs-native.cpp.

    {
        _buffer = (char*) malloc(BUFFER_LEN);
        _len = BUFFER_LEN;
 
        reset();
    }

~Buffer()

XMLStorage::Buffer::~Buffer ( )

inline

Definition at line 87 of file xs-native.cpp.

    {
        free(_buffer);
    }

Member Function Documentation

append()

void XMLStorage::Buffer::append ( int  c )

inline

Definition at line 98 of file xs-native.cpp.

    {
        size_t wpos = _wptr-_buffer;
 
        if (wpos >= _len) {
            _len <<= 1;
            _buffer = (char*) realloc(_buffer, _len);
            _wptr = _buffer + wpos;
        }
 
        *_wptr++ = static_cast<char>(c);
    }

get_attributes()

void XMLStorage::Buffer::get_attributes ( XMLNode::AttributeMap &  attributes ) const

inline

read attributes and values

Definition at line 165 of file xs-native.cpp.

    {
        const char* p = _buffer_str.c_str();
 
         // find end of tag name
        if (*p == '<')
            ++p;
 
        if (*p == '/')
            ++p;
        else if (*p == '?')
            ++p;
 
        p = get_xmlsym_end_utf8(p);
 
         // read attributes from buffer
        while(*p && *p!='>' && *p!='/') {
            while(isspace((unsigned char)*p))
                ++p;
 
            const char* attr_name = p;
 
            p = get_xmlsym_end_utf8(p);
 
            if (*p != '=')
                break;  //@TODO error handling
 
            size_t attr_len = p - attr_name;
 
            if (*++p!='"' && *p!='\'')
                break;  //@TODO error handling
 
            char delim = *p;
            const char* value = ++p;
 
            while(*p && *p!=delim)
                ++p;
 
            size_t value_len = p - value;
 
            if (*p)
                ++p;    // '"'
 
#ifdef XS_STRING_UTF8
            XS_String name_str(attr_name, attr_len);
#else
            XS_String name_str;
            assign_utf8(name_str, attr_name, attr_len);
#endif
 
            attributes[name_str] = DecodeXMLString(std::string(value, value_len));
        }
    }

get_tag()

XS_String XMLStorage::Buffer::get_tag ( ) const

inline

Definition at line 138 of file xs-native.cpp.

    {
        const char* p = _buffer_str.c_str();
 
        if (*p == '<')
            ++p;
 
        if (*p == '/')
            ++p;
 
        const char* q = p;
 
        if (*q == '?')
            ++q;
 
        q = get_xmlsym_end_utf8(q);
 
#ifdef XS_STRING_UTF8
        return XS_String(p, q-p);
#else
        XS_String tag;
        assign_utf8(tag, p, q-p);
        return tag;
#endif
    }

has_CDEnd()

bool XMLStorage::Buffer::has_CDEnd ( ) const

inline

Definition at line 130 of file xs-native.cpp.

    {
        //if (_wptr-_buffer < 3)
        //  return false;
 
        return !strncmp(_wptr-3, CDATA_END, 3);
    }

len()

size_t XMLStorage::Buffer::len ( ) const

inline

Definition at line 125 of file xs-native.cpp.

    {
        return _wptr - _buffer;
    }

reset()

void XMLStorage::Buffer::reset ( )

inline

Definition at line 92 of file xs-native.cpp.

    {
        _wptr = _buffer;
        _buffer_str.erase();
    }

Referenced by Buffer().

str()

const std::string & XMLStorage::Buffer::str ( bool  utf8 )

inline

Definition at line 111 of file xs-native.cpp.

    {
#if defined(_WIN32) && !defined(XS_STRING_UTF8)
        if (utf8)
#endif
            _buffer_str.assign(_buffer, _wptr-_buffer);
#if defined(_WIN32) && !defined(XS_STRING_UTF8)
        else
            _buffer_str = get_utf8(_buffer, _wptr-_buffer);
#endif
 
        return _buffer_str;
    }

Member Data Documentation

_buffer

char* XMLStorage::Buffer::_buffer

protected

Definition at line 220 of file xs-native.cpp.

Referenced by append(), Buffer(), len(), reset(), str(), and ~Buffer().

_buffer_str

std::string XMLStorage::Buffer::_buffer_str

protected

Definition at line 223 of file xs-native.cpp.

Referenced by get_attributes(), get_tag(), reset(), and str().

_len

size_t XMLStorage::Buffer::_len

protected

Definition at line 222 of file xs-native.cpp.

Referenced by append(), and Buffer().

_wptr

char* XMLStorage::Buffer::_wptr

protected

Definition at line 221 of file xs-native.cpp.

Referenced by append(), has_CDEnd(), len(), reset(), and str().

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The documentation for this struct was generated from the following file:

• modules/rosapps/applications/explorer-old/utility/xs-native.cpp