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#include <string.h>
#include <libxml/xmlIO.h>
#include "ruby.h"
/*
int xmlRegisterInputCallbacks (xmlInputMatchCallback matchFunc,
xmlInputOpenCallback openFunc,
xmlInputReadCallback readFunc,
xmlInputCloseCallback closeFunc);
int (*xmlInputMatchCallback) (char const *filename);
void* (*xmlInputOpenCallback) (char const *filename);
int (*xmlInputReadCallback) (void *context,
char *buffer,
int len);
int (*xmlInputCloseCallback) (void *context);
*/
typedef struct deb_doc_context {
char *buffer;
char *bpos;
int remaining;
} deb_doc_context;
int deb_Match (char const *filename) {
fprintf( stderr, "deb_Match: %s\n", filename );
if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "deb://", 6)) {
return(1);
}
return(0);
}
void* deb_Open (char const *filename) {
deb_doc_context *deb_doc;
VALUE res;
deb_doc = (deb_doc_context*)malloc( sizeof(deb_doc_context) );
res = rb_funcall( rb_funcall( rb_mKernel, rb_intern("const_get"), 1, rb_str_new2("DEBSystem") ),
rb_intern("document_query"), 1, rb_str_new2(filename));
deb_doc->buffer = strdup( StringValuePtr(res) );
//deb_doc->buffer = strdup("<serepes>serepes</serepes>");
deb_doc->bpos = deb_doc->buffer;
deb_doc->remaining = strlen(deb_doc->buffer);
return deb_doc;
}
int deb_Read (void *context, char *buffer, int len) {
deb_doc_context *deb_doc;
int ret_len;
deb_doc = (deb_doc_context*)context;
if (len >= deb_doc->remaining) {
ret_len = deb_doc->remaining;
} else {
ret_len = len;
}
deb_doc->remaining -= ret_len;
strncpy( buffer, deb_doc->bpos, ret_len );
deb_doc->bpos += ret_len;
return ret_len;
}
int deb_Close (void *context) {
free( ((deb_doc_context*)context)->buffer );
free( context );
return 1;
}
void deb_register_cbg() {
xmlRegisterInputCallbacks( deb_Match, deb_Open, deb_Read, deb_Close );
}
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