mirror of https://github.com/tstack/lnav
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
4.0 KiB
C++
125 lines
4.0 KiB
C++
/**
|
|
* Copyright (c) 2013, Timothy Stack
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* * Neither the name of Timothy Stack nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @file yajlpp.cc
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "yajlpp.hh"
|
|
|
|
int yajlpp_parse_context::map_start(void *ctx)
|
|
{
|
|
yajlpp_parse_context *ypc = (yajlpp_parse_context *)ctx;
|
|
|
|
ypc->ypc_path_index_stack.push_back(ypc->ypc_path.length());
|
|
return 1;
|
|
}
|
|
|
|
int yajlpp_parse_context::map_key(void *ctx,
|
|
const unsigned char *key,
|
|
size_t len)
|
|
{
|
|
yajlpp_parse_context *ypc = (yajlpp_parse_context *)ctx;
|
|
|
|
ypc->ypc_path = ypc->ypc_path.substr(0, ypc->ypc_path_index_stack.back());
|
|
ypc->ypc_path += "/" + std::string((const char *)key, len);
|
|
|
|
ypc->update_callbacks();
|
|
return 1;
|
|
}
|
|
|
|
void yajlpp_parse_context::update_callbacks(void)
|
|
{
|
|
pcre_input pi(this->ypc_path);
|
|
|
|
this->ypc_callbacks = DEFAULT_CALLBACKS;
|
|
|
|
for (int lpc = 0; this->ypc_handlers[lpc].jph_path[0]; lpc++) {
|
|
const json_path_handler &jph = this->ypc_handlers[lpc];
|
|
|
|
if (jph.jph_regex.match(this->ypc_pcre_context, pi)) {
|
|
this->ypc_callbacks.yajl_null = jph.jph_callbacks.yajl_null;
|
|
this->ypc_callbacks.yajl_boolean = jph.jph_callbacks.yajl_boolean;
|
|
this->ypc_callbacks.yajl_integer = jph.jph_callbacks.yajl_integer;
|
|
this->ypc_callbacks.yajl_double = jph.jph_callbacks.yajl_double;
|
|
this->ypc_callbacks.yajl_string = jph.jph_callbacks.yajl_string;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int yajlpp_parse_context::map_end(void *ctx)
|
|
{
|
|
yajlpp_parse_context *ypc = (yajlpp_parse_context *)ctx;
|
|
|
|
ypc->ypc_path = ypc->ypc_path.substr(0, ypc->ypc_path_index_stack.back());
|
|
ypc->ypc_path_index_stack.pop_back();
|
|
|
|
ypc->update_callbacks();
|
|
return 1;
|
|
}
|
|
|
|
int yajlpp_parse_context::array_start(void *ctx)
|
|
{
|
|
yajlpp_parse_context *ypc = (yajlpp_parse_context *)ctx;
|
|
|
|
ypc->ypc_path_index_stack.push_back(ypc->ypc_path.length());
|
|
ypc->ypc_path += "#";
|
|
|
|
ypc->update_callbacks();
|
|
|
|
return 1;
|
|
}
|
|
|
|
int yajlpp_parse_context::array_end(void *ctx)
|
|
{
|
|
yajlpp_parse_context *ypc = (yajlpp_parse_context *)ctx;
|
|
|
|
ypc->ypc_path = ypc->ypc_path.substr(0, ypc->ypc_path_index_stack.back());
|
|
ypc->ypc_path_index_stack.pop_back();
|
|
|
|
ypc->update_callbacks();
|
|
|
|
return 1;
|
|
}
|
|
|
|
const yajl_callbacks yajlpp_parse_context::DEFAULT_CALLBACKS = {
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
yajlpp_parse_context::map_start,
|
|
yajlpp_parse_context::map_key,
|
|
yajlpp_parse_context::map_end,
|
|
yajlpp_parse_context::array_start,
|
|
yajlpp_parse_context::array_end,
|
|
};
|