/* * gjobread.c : a small test program for gnome jobs XML format * * See Copyright for the status of this software. * * Daniel.Veillard@w3.org */
#include <stdio.h> #include <string.h> #include <stdlib.h>
/* * This example should compile and run indifferently with libxml-1.8.8 + * and libxml2-2.1.0 + * Check the COMPAT comments below */
/* * COMPAT using xml-config --cflags to get the include path this will * work with both */ #include <libxml/xmlmemory.h> #include <libxml/parser.h> #include <libxml/tree.h>
#define DEBUG(x) printf(x)
/* * A person record * an xmlChar * is really an UTF8 encoded char string (0 terminated) */ typedef struct person { xmlChar *name; xmlChar *email; xmlChar *company; xmlChar *organisation; xmlChar *smail; xmlChar *webPage; xmlChar *phone; } person, *personPtr;
/* * And the code needed to parse it */ static personPtr parsePerson(xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur) { personPtr ret = NULL;
DEBUG("parsePersonn"); /* * allocate the struct */ ret = (personPtr) malloc(sizeof(person)); if (ret == NULL) { fprintf(stderr,"out of memoryn"); return(NULL); } memset(ret, 0, sizeof(person));
/* We don't care what the top level element name is */ /* COMPAT xmlChildrenNode is a macro unifying libxml1 and libxml2 names */ cur = cur->xmlChildrenNode; while (cur != NULL) { if ((!xmlStrcmp(cur->name, (const xmlChar *)"Person")) && (cur->ns == ns)) ret->name = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); if ((!xmlStrcmp(cur->name, (const xmlChar *)"Email")) && (cur->ns == ns)) ret->email = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); cur = cur->next; }
return(ret); }
/* * and to print it */ static void printPerson(personPtr cur) { if (cur == NULL) return; printf("------ Personn"); if (cur->name) printf(" name: %sn", cur->name); if (cur->email) printf(" email: %sn", cur->email); if (cur->company) printf(" company: %sn", cur->company); if (cur->organisation) printf(" organisation: %sn", cur->organisation); if (cur->smail) printf(" smail: %sn", cur->smail); if (cur->webPage) printf(" Web: %sn", cur->webPage); if (cur->phone) printf(" phone: %sn", cur->phone); printf("------n"); }
/* * a Description for a Job */ typedef struct job { xmlChar *projectID; xmlChar *application; xmlChar *category; personPtr contact; int nbDevelopers; personPtr developers[100]; /* using dynamic alloc is left as an exercise */ } job, *jobPtr;
/* * And the code needed to parse it */ static jobPtr parseJob(xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur) { jobPtr ret = NULL;
DEBUG("parseJobn"); /* * allocate the struct */ ret = (jobPtr) malloc(sizeof(job)); if (ret == NULL) { fprintf(stderr,"out of memoryn"); return(NULL); } memset(ret, 0, sizeof(job));
/* We don't care what the top level element name is */ cur = cur->xmlChildrenNode; while (cur != NULL) { if ((!xmlStrcmp(cur->name, (const xmlChar *) "Project")) && (cur->ns == ns)) { ret->projectID = xmlGetProp(cur, (const xmlChar *) "ID"); printf("ret->projectID: %sn", ret->projectID); if (ret->projectID == NULL) { fprintf(stderr, "Project has no IDn"); } } if ((!xmlStrcmp(cur->name, (const xmlChar *) "Application")) && (cur->ns == ns)) ret->application = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); if ((!xmlStrcmp(cur->name, (const xmlChar *) "Category")) && (cur->ns == ns)) ret->category = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); if ((!xmlStrcmp(cur->name, (const xmlChar *) "Contact")) && (cur->ns == ns)) ret->contact = parsePerson(doc, ns, cur); cur = cur->next; }
return(ret); }
/* * and to print it */ static void printJob(jobPtr cur) { int i;
if (cur == NULL) return; printf("======= Jobn"); if (cur->projectID != NULL) printf("projectID: %sn", cur->projectID); if (cur->application != NULL) printf("application: %sn", cur->application); if (cur->category != NULL) printf("category: %sn", cur->category); if (cur->contact != NULL) printPerson(cur->contact); printf("%d developersn", cur->nbDevelopers);
for (i = 0;i < cur->nbDevelopers;i++) printPerson(cur->developers[i]); printf("======= n"); }
/* * A pool of Gnome Jobs */ typedef struct gjob { int nbJobs; jobPtr jobs[500]; /* using dynamic alloc is left as an exercise */ } gJob, *gJobPtr;
static gJobPtr parseGjobFile(char *filename) { xmlDocPtr doc; gJobPtr ret; jobPtr curjob; xmlNsPtr ns; xmlNodePtr cur;
/* * build an XML tree from a the file; */ doc = xmlParseFile(filename); if (doc == NULL) return(NULL);
/* * Check the document is of the right kind */ cur = xmlDocGetRootElement(doc); if (cur == NULL) { fprintf(stderr,"empty documentn"); xmlFreeDoc(doc); return(NULL); } ns = xmlSearchNsByHref(doc, cur, (const xmlChar *) "http://www.gnome.org/some-location"); if (ns == NULL) { fprintf(stderr, "document of the wrong type, GJob Namespace not foundn"); xmlFreeDoc(doc); return(NULL); } if (xmlStrcmp(cur->name, (const xmlChar *) "Helping")) { fprintf(stderr,"document of the wrong type, root node != Helping"); xmlFreeDoc(doc); return(NULL); } printf("cur->name: %sn", cur->name);
/* * Allocate the structure to be returned. */ ret = (gJobPtr) malloc(sizeof(gJob)); printf("sizeof(gJob): %dn", sizeof(gJob)); if (ret == NULL) { fprintf(stderr,"out of memoryn"); xmlFreeDoc(doc); return(NULL); } memset(ret, 0, sizeof(gJob));
/* * Now, walk the tree. */ /* First level we expect just Jobs */ cur = cur->xmlChildrenNode; while ( cur && xmlIsBlankNode ( cur ) ) { cur = cur -> next; } if ( cur == 0 ) return ( NULL ); if ((xmlStrcmp(cur->name, (const xmlChar *) "Jobs")) || (cur->ns != ns)) { fprintf(stderr,"document of the wrong type, was '%s', Jobs expected", cur->name); fprintf(stderr,"xmlDocDump followsn"); xmlDocDump ( stderr, doc ); fprintf(stderr,"xmlDocDump finishedn"); xmlFreeDoc(doc); free(ret); return(NULL); } printf("cur->name: %sn", cur->name); printf("cur->ns: %dn", cur->ns);
/* Second level is a list of Job, but be laxist */ cur = cur->xmlChildrenNode; while (cur != NULL) { if ((!xmlStrcmp(cur->name, (const xmlChar *) "Job")) && (cur->ns == ns)) { curjob = parseJob(doc, ns, cur); if (curjob != NULL) ret->jobs[ret->nbJobs++] = curjob; if (ret->nbJobs >= 500) break; } cur = cur->next; }
return(ret); }
static void handleGjob(gJobPtr cur) { int i;
/* * Do whatever you want and free the structure. */ printf("%d Jobs registeredn", cur->nbJobs); for (i = 0; i < cur->nbJobs; i++) printJob(cur->jobs[i]); }
int main(int argc, char **argv) { printf("test start!n"); int i; gJobPtr cur;
/* COMPAT: Do not genrate nodes for formatting spaces */ LIBXML_TEST_VERSION xmlKeepBlanksDefault(0);
for (i = 1; i < argc ; i++) { cur = parseGjobFile(argv[i]); if ( cur ) handleGjob(cur); else fprintf( stderr, "Error parsing file '%s'n", argv[i]);
}
/* Clean up everything else before quitting. */ xmlCleanupParser(); printf("test end!n");
return(0); }
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