/* -*- c-basic-offset: 2 -*- */
/*
Copyright ( C ) 2011 - 2013 Kentoku SHIBA
Copyright ( C ) 2011 - 2015 Kouhei Sutou < kou @ clear - code . com >
This library is free software ; you can redistribute it and / or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation ; either
version 2 . 1 of the License , or ( at your option ) any later version .
This library is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
Lesser General Public License for more details .
You should have received a copy of the GNU Lesser General Public
License along with this library ; if not , write to the Free Software
Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1335 USA
*/
#include "mrn_parameters_parser.hpp"
#include <mrn_mysql_compat.h>
#include <mrn_variables.hpp>
namespace mrn {
class Parameter {
public :
char *key_;
char *value_;
Parameter(const char *key, unsigned int key_length,
const char *value, unsigned int value_length)
: key_(mrn_my_strndup(key, key_length, MYF(0 ))),
value_(mrn_my_strndup(value, value_length, MYF(0 ))) {
};
~Parameter() {
if (key_) {
my_free(key_);
}
if (value_) {
my_free(value_);
}
};
};
ParametersParser::ParametersParser(const char *input,
unsigned int input_length)
: input_(input),
input_length_(input_length),
parameters_(NULL) {
}
ParametersParser::~ParametersParser() {
for (LIST *next = parameters_; next; next = next->next) {
Parameter *parameter = static_cast <Parameter *>(next->data);
delete parameter;
}
list_free(parameters_, false );
}
void ParametersParser::parse() {
const char *current = input_;
const char *end = input_ + input_length_;
for (; current < end; ++current) {
if (is_white_space(current[0 ])) {
continue ;
}
const char *key = current;
unsigned int key_length = 0 ;
while (current < end &&
!is_white_space(current[0 ]) &&
current[0 ] != '\' ' && current[0] != ' "' && current[0] != ',') {
++current;
++key_length;
}
if (current == end) {
break ;
}
while (current < end && is_white_space(current[0 ])) {
++current;
}
if (current == end) {
break ;
}
current = parse_value(current, end, key, key_length);
if (!current) {
break ;
}
while (current < end && is_white_space(current[0 ])) {
++current;
}
if (current == end) {
break ;
}
if (current[0 ] != ',' ) {
// TODO: report error
break ;
}
}
}
const char *ParametersParser::parse_value(const char *current,
const char *end,
const char *key,
unsigned int key_length) {
char quote = current[0 ];
if (quote != '\' ' && quote != ' "') {
// TODO: report error
return NULL;
}
++current;
bool found = false ;
static const unsigned int max_value_length = 4096 ;
char value[max_value_length];
unsigned int value_length = 0 ;
for (; current < end && value_length < max_value_length; ++current) {
if (current[0 ] == quote) {
Parameter *parameter = new Parameter(key, key_length,
value, value_length);
list_push(parameters_, parameter);
found = true ;
++current;
break ;
}
switch (current[0 ]) {
case '\\' :
if (current + 1 == end) {
break ;
}
switch (current[1 ]) {
case 'b' :
value[value_length] = '\b' ;
break ;
case 'n' :
value[value_length] = '\n' ;
break ;
case 'r' :
value[value_length] = '\r' ;
break ;
case 't' :
value[value_length] = '\t' ;
break ;
default :
value[value_length] = current[1 ];
break ;
}
break ;
default :
value[value_length] = current[0 ];
break ;
}
++value_length;
}
if (!found) {
// TODO: report error
}
return current;
}
const char *ParametersParser::operator [](const char *key) {
for (LIST *next = parameters_; next; next = next->next) {
Parameter *parameter = static_cast <Parameter *>(next->data);
if (strcasecmp(parameter->key_, key) == 0 ) {
return parameter->value_;
}
}
return NULL;
}
}
Messung V0.5 in Prozent C=98 H=87 G=92
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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