/* call-seq:
* XML::Reader.file(path) -> XML::Reader
* XML::Reader.file(path, :encoding => XML::Encoding::UTF_8,
* :options => XML::Parser::Options::NOENT) -> XML::Parser
*
* Creates a new reader by parsing the specified file or uri.
*
* You may provide an optional hash table to control how the
* parsing is performed. Valid options are:
*
* encoding - The document encoding, defaults to nil. Valid values
* are the encoding constants defined on XML::Encoding.
* options - Controls the execution of the parser, defaults to 0.
* Valid values are the constants defined on
* XML::Parser::Options. Mutliple options can be combined
* by using Bitwise OR (|).
*/
static VALUE rxml_reader_file(int argc, VALUE *argv, VALUE klass)
{
xmlTextReaderPtr xreader;
VALUE path;
VALUE options;
const char *xencoding = NULL;
int xoptions = 0;
rb_scan_args(argc, argv, "11", &path, &options);
Check_Type(path, T_STRING);
if (!NIL_P(options))
{
VALUE encoding = Qnil;
VALUE parserOptions = Qnil;
Check_Type(options, T_HASH);
encoding = rb_hash_aref(options, base_uri_SYMBOL);
xencoding = NIL_P(encoding) ? NULL : xmlGetCharEncodingName(NUM2INT(encoding));
parserOptions = rb_hash_aref(options, OPTIONS_SYMBOL);
xoptions = NIL_P(parserOptions) ? 0 : NUM2INT(parserOptions);
}
xreader = xmlReaderForFile(StringValueCStr(path), xencoding, xoptions);
if (xreader == NULL)
rxml_raise(&xmlLastError);
return rxml_reader_wrap(xreader);
}
/*
* call-seq:
* XML::Reader.document(doc) -> XML::Reader
*
* Create an new reader for the specified document.
*/
VALUE rxml_reader_document(VALUE klass, VALUE doc)
{
xmlDocPtr xdoc;
xmlTextReaderPtr xreader;
Data_Get_Struct(doc, xmlDoc, xdoc);
xreader = xmlReaderWalker(xdoc);
if (xreader == NULL)
rxml_raise(&xmlLastError);
return rxml_reader_wrap(xreader);
}
/* call-seq:
* XML::Reader.io(io) -> XML::Reader
* XML::Reader.io(io, :encoding => XML::Encoding::UTF_8,
* :options => XML::Parser::Options::NOENT) -> XML::Parser
*
* Creates a new reader by parsing the specified io object.
*
* You may provide an optional hash table to control how the
* parsing is performed. Valid options are:
*
* base_uri - The base url for the parsed document.
* encoding - The document encoding, defaults to nil. Valid values
* are the encoding constants defined on XML::Encoding.
* options - Controls the execution of the parser, defaults to 0.
* Valid values are the constants defined on
* XML::Parser::Options. Mutliple options can be combined
* by using Bitwise OR (|).
*/
static VALUE rxml_reader_io(int argc, VALUE *argv, VALUE klass)
{
xmlTextReaderPtr xreader;
VALUE result;
VALUE io;
VALUE options;
char *xbaseurl = NULL;
const char *xencoding = NULL;
int xoptions = 0;
rb_scan_args(argc, argv, "11", &io, &options);
if (!NIL_P(options))
{
VALUE baseurl = Qnil;
VALUE encoding = Qnil;
VALUE parserOptions = Qnil;
Check_Type(options, T_HASH);
baseurl = rb_hash_aref(options, BASE_URI_SYMBOL);
xbaseurl = NIL_P(baseurl) ? NULL : StringValueCStr(baseurl);
encoding = rb_hash_aref(options, ENCODING_SYMBOL);
xencoding = NIL_P(encoding) ? NULL : xmlGetCharEncodingName(NUM2INT(encoding));
parserOptions = rb_hash_aref(options, OPTIONS_SYMBOL);
xoptions = NIL_P(parserOptions) ? 0 : NUM2INT(parserOptions);
}
xreader = xmlReaderForIO((xmlInputReadCallback) rxml_read_callback, NULL,
(void *) io,
xbaseurl, xencoding, xoptions);
if (xreader == NULL)
rxml_raise(&xmlLastError);
result = rxml_reader_wrap(xreader);
/* Attach io object to parser so it won't get freed.*/
rb_ivar_set(result, IO_ATTR, io);
return result;
}
/* call-seq:
* XML::Reader.string(io) -> XML::Reader
* XML::Reader.string(io, :encoding => XML::Encoding::UTF_8,
* :options => XML::Parser::Options::NOENT) -> XML::Parser
*
* Creates a new reader by parsing the specified string.
*
* You may provide an optional hash table to control how the
* parsing is performed. Valid options are:
*
* base_uri - The base url for the parsed document.
* encoding - The document encoding, defaults to nil. Valid values
* are the encoding constants defined on XML::Encoding.
* options - Controls the execution of the parser, defaults to 0.
* Valid values are the constants defined on
* XML::Parser::Options. Mutliple options can be combined
* by using Bitwise OR (|).
*/
static VALUE rxml_reader_string(int argc, VALUE *argv, VALUE klass)
{
xmlTextReaderPtr xreader;
VALUE string;
VALUE options;
char *xbaseurl = NULL;
const char *xencoding = NULL;
int xoptions = 0;
rb_scan_args(argc, argv, "11", &string, &options);
Check_Type(string, T_STRING);
if (!NIL_P(options))
{
VALUE baseurl = Qnil;
VALUE encoding = Qnil;
VALUE parserOptions = Qnil;
Check_Type(options, T_HASH);
baseurl = rb_hash_aref(options, base_uri_SYMBOL);
xbaseurl = NIL_P(baseurl) ? NULL : StringValueCStr(baseurl);
encoding = rb_hash_aref(options, ENCODING_SYMBOL);
xencoding = NIL_P(encoding) ? NULL : xmlGetCharEncodingName(NUM2INT(encoding));
parserOptions = rb_hash_aref(options, OPTIONS_SYMBOL);
xoptions = NIL_P(parserOptions) ? 0 : NUM2INT(parserOptions);
}
xreader = xmlReaderForMemory(StringValueCStr(string), RSTRING_LEN(string),
xbaseurl, xencoding, xoptions);
if (xreader == NULL)
rxml_raise(&xmlLastError);
return rxml_reader_wrap(xreader);
}