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-rw-r--r--libxml2-2.9.10/example/gjobread.c309
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+/*
+ * 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>
+
+#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("parsePerson\n");
+ /*
+ * allocate the struct
+ */
+ ret = (personPtr) malloc(sizeof(person));
+ if (ret == NULL) {
+ fprintf(stderr,"out of memory\n");
+ 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("------ Person\n");
+ if (cur->name) printf(" name: %s\n", cur->name);
+ if (cur->email) printf(" email: %s\n", cur->email);
+ if (cur->company) printf(" company: %s\n", cur->company);
+ if (cur->organisation) printf(" organisation: %s\n", cur->organisation);
+ if (cur->smail) printf(" smail: %s\n", cur->smail);
+ if (cur->webPage) printf(" Web: %s\n", cur->webPage);
+ if (cur->phone) printf(" phone: %s\n", 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("parseJob\n");
+ /*
+ * allocate the struct
+ */
+ ret = (jobPtr) malloc(sizeof(job));
+ if (ret == NULL) {
+ fprintf(stderr,"out of memory\n");
+ 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");
+ if (ret->projectID == NULL) {
+ fprintf(stderr, "Project has no ID\n");
+ }
+ }
+ 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("======= Job\n");
+ if (cur->projectID != NULL) printf("projectID: %s\n", cur->projectID);
+ if (cur->application != NULL) printf("application: %s\n", cur->application);
+ if (cur->category != NULL) printf("category: %s\n", cur->category);
+ if (cur->contact != NULL) printPerson(cur->contact);
+ printf("%d developers\n", 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 ATTRIBUTE_UNUSED) {
+ xmlDocPtr doc;
+ gJobPtr ret;
+ jobPtr curjob;
+ xmlNsPtr ns;
+ xmlNodePtr cur;
+
+#ifdef LIBXML_SAX1_ENABLED
+ /*
+ * build an XML tree from a the file;
+ */
+ doc = xmlParseFile(filename);
+ if (doc == NULL) return(NULL);
+#else
+ /*
+ * the library has been compiled without some of the old interfaces
+ */
+ return(NULL);
+#endif /* LIBXML_SAX1_ENABLED */
+
+ /*
+ * Check the document is of the right kind
+ */
+
+ cur = xmlDocGetRootElement(doc);
+ if (cur == NULL) {
+ fprintf(stderr,"empty document\n");
+ 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 found\n");
+ 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);
+ }
+
+ /*
+ * Allocate the structure to be returned.
+ */
+ ret = (gJobPtr) malloc(sizeof(gJob));
+ if (ret == NULL) {
+ fprintf(stderr,"out of memory\n");
+ 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 ) {
+ xmlFreeDoc(doc);
+ free(ret);
+ 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 follows\n");
+#ifdef LIBXML_OUTPUT_ENABLED
+ xmlDocDump ( stderr, doc );
+ fprintf(stderr,"xmlDocDump finished\n");
+#endif /* LIBXML_OUTPUT_ENABLED */
+ xmlFreeDoc(doc);
+ free(ret);
+ return(NULL);
+ }
+
+ /* 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 registered\n", cur->nbJobs);
+ for (i = 0; i < cur->nbJobs; i++) printJob(cur->jobs[i]);
+}
+
+int main(int argc, char **argv) {
+ int i;
+ gJobPtr cur;
+
+ /* COMPAT: Do not generate 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();
+
+ return(0);
+}
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