+/* Copyright (c) 2010. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+#include "gras_config.h"
+#include <errno.h>
+#include "xbt/sysdep.h"
+#include "xbt/log.h"
+#include "xbt/str.h"
+#include "xbt/replay_trace_reader.h"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(replay,xbt,"Replay trace reader");
+
+typedef struct s_replay_trace_reader {
+ FILE *fp;
+ char *line;
+ size_t line_len;
+ char *position; /* stable storage */
+ char *filename; int linenum;
+} s_xbt_replay_trace_reader_t;
+
+xbt_replay_trace_reader_t xbt_replay_trace_reader_new(const char*filename) {
+ xbt_replay_trace_reader_t res = xbt_new0(s_xbt_replay_trace_reader_t,1);
+ res->fp = fopen(filename, "r");
+ xbt_assert2(res->fp != NULL, "Cannot open %s: %s", filename,
+ strerror(errno));
+ res->filename = xbt_strdup(filename);
+ return res;
+}
+
+const char *xbt_replay_trace_reader_position(xbt_replay_trace_reader_t reader) {
+ if (reader->position)
+ free(reader->position);
+ reader->position = bprintf("%s:%d",reader->filename,reader->linenum);
+ return (const char*)reader->position;
+}
+char * const *xbt_replay_trace_reader_get(xbt_replay_trace_reader_t reader) {
+ ssize_t read;
+ xbt_dynar_t d;
+ read = getline(&reader->line, &reader->line_len, reader->fp);
+ //INFO1("got from trace: %s",reader->line);
+ reader->linenum++;
+ if (read==-1)
+ return NULL; /* end of file */
+ char *comment = strchr(reader->line, '#');
+ if (comment != NULL)
+ *comment = '\0';
+ xbt_str_trim(reader->line, NULL);
+ if (reader->line[0] == '\0')
+ return xbt_replay_trace_reader_get(reader); /* Get next line */
+
+ d=xbt_str_split_quoted_in_place(reader->line);
+ if (xbt_dynar_length(d)==0) {
+ xbt_free(d);
+ return xbt_replay_trace_reader_get(reader); /* Get next line */
+ }
+ return xbt_dynar_to_array(d);
+}
+
+void xbt_replay_trace_reader_free(xbt_replay_trace_reader_t *reader) {
+ free((*reader)->filename);
+ if ((*reader)->position)
+ free((*reader)->position);
+ fclose((*reader)->fp);
+ free((*reader)->line);
+ free(*reader);
+ *reader=NULL;
+}
