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author | William Joye <wjoye@cfa.harvard.edu> | 2016-10-19 18:28:08 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2016-10-19 18:28:08 (GMT) |
commit | 7f402e480a04b974617c04142993d3919457d342 (patch) | |
tree | a39cf901d49b9767df3fe076ebf8a06c92277995 /libxml2/example/gjobread.c | |
parent | 818fd731f62993dc8aa5d07b82e1d1b2c04aae7d (diff) | |
parent | 6c75f0dc676d73c4cbcdca5a9cf05c6797a2ac0b (diff) | |
download | blt-7f402e480a04b974617c04142993d3919457d342.zip blt-7f402e480a04b974617c04142993d3919457d342.tar.gz blt-7f402e480a04b974617c04142993d3919457d342.tar.bz2 |
Merge commit '6c75f0dc676d73c4cbcdca5a9cf05c6797a2ac0b' as 'libxml2'
Diffstat (limited to 'libxml2/example/gjobread.c')
-rw-r--r-- | libxml2/example/gjobread.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/libxml2/example/gjobread.c b/libxml2/example/gjobread.c new file mode 100644 index 0000000..d3f6d57 --- /dev/null +++ b/libxml2/example/gjobread.c @@ -0,0 +1,309 @@ +/* + * 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) { + 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 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(); + + return(0); +} |