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Update XML example to parser from UTF-8 to UTF-8 in memory

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Charles Baker 2023-06-03 11:37:13 +12:00
parent 0dc846f6eb
commit 071273032e
1 changed files with 20 additions and 17 deletions
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37
src/lalr/lalr_examples/lalr_xml_example.cpp
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@ -4,6 +4,7 @@
#include <list>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
using namespace std;
using namespace lalr;
@ -11,21 +12,23 @@ using namespace lalr;
namespace
{
typedef std::basic_string<uint8_t> String;
struct Attribute
{
std::string name_;
std::string value_;
String name_;
String value_;
Attribute( const std::string& name, const std::string& value )
: name_( name ),
value_( value )
Attribute( const String& name, const String& value )
: name_( name )
, value_( value )
{
}
};
struct Element
{
std::string name_;
String name_;
std::list<shared_ptr<Attribute> > attributes_;
std::list<shared_ptr<Element> > elements_;
@ -61,7 +64,7 @@ struct XmlUserData
}
};
static XmlUserData document( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData document( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
const XmlUserData* end = start + length;
while ( start != end && !start[0].element_ )
@ -71,28 +74,28 @@ static XmlUserData document( const XmlUserData* start, const ParserNode<char>* n
return start != end ? start[0] : XmlUserData();
}
static XmlUserData add_element( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData add_element( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
shared_ptr<Element> element = start[0].element_;
element->elements_.push_back( start[1].element_ );
return XmlUserData( element );
}
static XmlUserData create_element( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData create_element( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
shared_ptr<Element> element( new Element() );
element->elements_.push_back( start[0].element_ );
return XmlUserData( element );
}
static XmlUserData short_element( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData short_element( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
shared_ptr<Element> element = start[2].element_;
element->name_ = nodes[1].lexeme();
return XmlUserData( element );
}
static XmlUserData long_element( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData long_element( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
shared_ptr<Element> element = start[2].element_;
if ( !element )
@ -108,7 +111,7 @@ static XmlUserData long_element( const XmlUserData* start, const ParserNode<char
return XmlUserData( element );
}
static XmlUserData add_attribute( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData add_attribute( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
LALR_ASSERT( start[0].element_ );
shared_ptr<Element> element = start[0].element_;
@ -117,7 +120,7 @@ static XmlUserData add_attribute( const XmlUserData* start, const ParserNode<cha
return XmlUserData( element );
}
static XmlUserData create_attribute( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData create_attribute( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
LALR_ASSERT( start[0].attribute_ );
shared_ptr<Element> element( new Element() );
@ -125,7 +128,7 @@ static XmlUserData create_attribute( const XmlUserData* start, const ParserNode<
return XmlUserData( element );
}
static XmlUserData attribute( const XmlUserData* start, const ParserNode<char>* nodes, size_t length )
static XmlUserData attribute( const XmlUserData* start, const ParserNode<uint8_t>* nodes, size_t length )
{
shared_ptr<Attribute> attribute( new Attribute(nodes[0].lexeme(), nodes[2].lexeme()) );
return XmlUserData( attribute );
@ -166,9 +169,9 @@ static void print( const Element* element, int level )
void lalr_xml_example()
{
extern const lalr::ParserStateMachine* xml_parser_state_machine;
Parser<const char*, XmlUserData> parser( xml_parser_state_machine );
Parser<const uint8_t*, XmlUserData> parser( xml_parser_state_machine );
parser.lexer_action_handlers()
( "string", &string_literal<const char*> )
( "string", &string_literal<const uint8_t*> )
;
parser.parser_action_handlers()
( "document", &document )
@ -190,7 +193,7 @@ void lalr_xml_example()
" </document>"
;
parser.parse( input, input + strlen(input) );
parser.parse( (const uint8_t*) input, (const uint8_t*) input + strlen(input) );
LALR_ASSERT( parser.accepted() );
LALR_ASSERT( parser.full() );
print( parser.user_data().element_.get(), 0 );