116 lines
2.1 KiB
C
116 lines
2.1 KiB
C
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/*
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This example program demonstrates the JSON parsing and generating
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capabilities of Xmlrpc-c.
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The program reads JSON text from Standard Input and displays its value as
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XML-RPC XML text. It then re-generates JSON from the intermediate
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parsed information and displays that.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <xmlrpc-c/json.h>
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static void
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dieIfFaultOccurred(xmlrpc_env * const envP) {
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if (envP->fault_occurred) {
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fprintf(stderr, "ERROR: %s (%d)\n",
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envP->fault_string, envP->fault_code);
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exit(1);
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}
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}
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void
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printAsXml(xmlrpc_value * const valP) {
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xmlrpc_env env;
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xmlrpc_mem_block out;
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xmlrpc_env_init(&env);
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XMLRPC_MEMBLOCK_INIT(char, &env, &out, 0);
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dieIfFaultOccurred(&env);
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xmlrpc_serialize_value(&env, &out, valP);
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printf("XML-RPC XML:\n");
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printf("%.*s\n",
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XMLRPC_MEMBLOCK_SIZE(char, &out),
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XMLRPC_MEMBLOCK_CONTENTS(char, &out));
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XMLRPC_MEMBLOCK_CLEAN(char, &out);
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xmlrpc_env_clean(&env);
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}
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void
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printAsJson(xmlrpc_value * const valP) {
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xmlrpc_env env;
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xmlrpc_mem_block out;
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xmlrpc_value * val2P;
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xmlrpc_env_init(&env);
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XMLRPC_MEMBLOCK_INIT(char, &env, &out, 0);
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dieIfFaultOccurred(&env);
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xmlrpc_serialize_json(&env, valP, &out);
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dieIfFaultOccurred(&env);
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printf("JSON:\n");
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printf("%.*s\n",
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XMLRPC_MEMBLOCK_SIZE(char, &out),
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XMLRPC_MEMBLOCK_CONTENTS(char, &out));
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XMLRPC_MEMBLOCK_CLEAN(char, &out);
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xmlrpc_env_clean(&env);
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}
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int
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main(int argc, const char *argv[]) {
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xmlrpc_env env;
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char buf[1024];
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xmlrpc_value * valP;
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size_t bytesRead;
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xmlrpc_env_init(&env);
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if (argc-1 > 0) {
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fprintf(stderr, "This program has no arguments. "
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"JSON input is from Standard Input\n");
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exit(1);
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}
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bytesRead = fread(buf, 1, sizeof(buf), stdin);
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buf[bytesRead] = '\0';
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valP = xmlrpc_parse_json(&env, buf);
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dieIfFaultOccurred(&env);
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printAsXml(valP);
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printAsJson(valP);
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xmlrpc_DECREF(valP);
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xmlrpc_env_clean(&env);
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return 0;
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}
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