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lnav/test/drive_json_ptr_walk.cc

81 lines
2.8 KiB
C++

/**
* Copyright (c) 2014, 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 TIMOTHY STACK 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 drive_json_ptr_dump.cc
*/
#include "config.h"
#include <stdlib.h>
#include "json_ptr.hh"
#include "lnav_log.hh"
int main(int argc, char *argv[])
{
int retval = EXIT_SUCCESS;
char buffer[1024];
yajl_status status;
json_ptr_walk jpw;
ssize_t rc;
log_argv(argc, argv);
while ((rc = read(STDIN_FILENO, buffer, sizeof(buffer))) > 0) {
status = jpw.parse(buffer, rc);
if (status == yajl_status_error) {
fprintf(stderr, "error:cannot parse JSON input -- %s\n",
jpw.jpw_error_msg.c_str());
retval = EXIT_FAILURE;
break;
}
else if (status == yajl_status_client_canceled) {
fprintf(stderr, "client cancel\n");
break;
}
}
status = jpw.complete_parse();
if (status == yajl_status_error) {
fprintf(stderr, "error:cannot parse JSON input -- %s\n",
jpw.jpw_error_msg.c_str());
retval = EXIT_FAILURE;
}
else if (status == yajl_status_client_canceled) {
fprintf(stderr, "client cancel\n");
}
for (json_ptr_walk::walk_list_t::iterator iter = jpw.jpw_values.begin();
iter != jpw.jpw_values.end();
++iter) {
printf("%s = %s\n", iter->wt_ptr.c_str(), iter->wt_value.c_str());
}
return retval;
}