Adding upstream version 2.0.16.upstream/2.0.16upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 102 insertions, 0 deletions

diff --git a/examples/rdfguess.c b/examples/rdfguess.c
new file mode 100644
index 0000000..b636c0b
--- /dev/null
+++ b/examples/rdfguess.c
@@ -0,0 +1,102 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <raptor2.h>
+
+
+/* rdfguess.c: guess parser name from filename and its content */
+
+#define READ_BUFFER_SIZE 256
+
+static int
+rdfguess_guess_name(raptor_world* world, const char* filename)
+{
+  char *buffer[READ_BUFFER_SIZE];
+  raptor_iostream* iostr = NULL;
+  const char* name;
+  const unsigned char* identifier;
+  const char* label;
+  size_t read_len;
+  size_t count;
+  
+  if(!strcmp(filename, "-")) {
+    iostr = raptor_new_iostream_from_file_handle(world, stdin);
+    identifier = NULL;
+    label = "<stdin>";
+  } else {
+    if(access(filename, R_OK)) {
+      fprintf(stderr, "rdfguess: file %s not found\n", filename);
+      return 1;
+    }
+    
+    iostr = raptor_new_iostream_from_filename(world, filename);
+    identifier = (const unsigned char *)filename;
+    label = filename;
+  }
+  
+  if(!iostr) {
+    fprintf(stderr, "rdfguess: Could not create iostream for %s\n", label);
+    goto tidy;
+  }
+
+  read_len = READ_BUFFER_SIZE;
+  count = raptor_iostream_read_bytes(buffer, 1, read_len, iostr);
+  if(count < 1) {
+    fprintf(stderr, "rdfguess: Failed to read any data from %s\n",
+            label);
+    goto tidy;
+  }
+  
+  name = raptor_world_guess_parser_name(world,
+                                        /* uri*/ NULL,
+                                        /* mime_type */ NULL,
+                                        (const unsigned char*)buffer,
+                                        read_len, 
+                                        identifier);
+                                        
+  if(name)
+    fprintf(stdout, "rdfguess: %s guessed to be %s\n", label, name);
+  else
+    fprintf(stdout, "rdfguess: failed to guess parser for %s\n", label);
+  
+  tidy:
+  raptor_free_iostream(iostr);
+    
+  return 0;
+}
+      
+
+int
+main(int argc, char *argv[])
+{
+  raptor_world *world = NULL;
+  const char *filename;
+  int rc = 0;
+  
+  world = raptor_new_world();
+
+  if(argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) {
+    fprintf(stderr, "USAGE rdfguess [FILENAMES...]\n");
+    rc = 1;
+    goto tidy;
+  }
+
+  if(argc == 1) {
+    rc = rdfguess_guess_name(world, "-");
+  } else {
+    int i;
+
+    for(i = 1; (filename = (const char*)argv[i]); i++) {
+      rc = rdfguess_guess_name(world, filename);
+      if(rc)
+        break;
+    }
+  }
+
+  tidy:
+  raptor_free_world(world);
+
+  return rc;
+}