*/
#include <stdlib.h>
+#include <stddef.h>
#include <string.h>
#include "configfile.h"
#include "config.h"
-/* Initialize a swb_config struct with configuration defaults */
-void swb_config_init(struct swb_config *cfg) {
- if (!cfg)
+/* The Browser Switchboard config file options */
+struct swb_config_option swb_config_options[] = {
+ { "continuous_mode", SWB_CONFIG_OPT_INT, SWB_CONFIG_CONTINUOUS_MODE_SET },
+ { "default_browser", SWB_CONFIG_OPT_STRING, SWB_CONFIG_DEFAULT_BROWSER_SET },
+ { "other_browser_cmd", SWB_CONFIG_OPT_STRING, SWB_CONFIG_OTHER_BROWSER_CMD_SET },
+ { "logging", SWB_CONFIG_OPT_STRING, SWB_CONFIG_LOGGING_SET },
+ { "autostart_microb", SWB_CONFIG_OPT_INT, SWB_CONFIG_AUTOSTART_MICROB_SET },
+ { NULL, 0, 0 },
+};
+
+/* Browser Switchboard configuration defaults */
+static struct swb_config swb_config_defaults = {
+ .flags = SWB_CONFIG_INITIALIZED,
+ .continuous_mode = 1,
+ .default_browser = "microb",
+ .other_browser_cmd = NULL,
+ .logging = "stdout",
+ .autostart_microb = -1,
+};
+
+
+/* Copy the contents of an swb_config struct
+ The entries[] array means that the standard copy will not work */
+void swb_config_copy(struct swb_config *dst, struct swb_config *src) {
+ if (!dst || !src)
return;
- cfg->continuous_mode = 0;
- cfg->default_browser = "microb";
- cfg->other_browser_cmd = NULL;
- cfg->logging = "stdout";
+ dst->entries[0] = &(dst->continuous_mode);
+ dst->entries[1] = &(dst->default_browser);
+ dst->entries[2] = &(dst->other_browser_cmd);
+ dst->entries[3] = &(dst->logging);
+ dst->entries[4] = &(dst->autostart_microb);
+
+ dst->flags = src->flags;
- cfg->flags = SWB_CONFIG_INITIALIZED;
+ dst->continuous_mode = src->continuous_mode;
+ dst->default_browser = src->default_browser;
+ dst->other_browser_cmd = src->other_browser_cmd;
+ dst->logging = src->logging;
+ dst->autostart_microb = src->autostart_microb;
+}
+
+/* Initialize a swb_config struct with configuration defaults */
+void swb_config_init(struct swb_config *cfg) {
+ swb_config_copy(cfg, &swb_config_defaults);
}
/* Free all heap memory used in an swb_config struct
This MUST NOT be done if any of the strings are being used elsewhere! */
void swb_config_free(struct swb_config *cfg) {
+ int i;
+
if (!cfg)
return;
if (!(cfg->flags & SWB_CONFIG_INITIALIZED))
return;
- if (cfg->flags & SWB_CONFIG_DEFAULT_BROWSER_SET) {
- free(cfg->default_browser);
- cfg->default_browser = NULL;
- }
- if (cfg->flags & SWB_CONFIG_OTHER_BROWSER_CMD_SET) {
- free(cfg->other_browser_cmd);
- cfg->other_browser_cmd = NULL;
- }
- if (cfg->flags & SWB_CONFIG_LOGGING_SET) {
- free(cfg->logging);
- cfg->logging = NULL;
+ for (i = 0; swb_config_options[i].name; ++i) {
+ if (cfg->flags & swb_config_options[i].set_mask) {
+ switch (swb_config_options[i].type) {
+ case SWB_CONFIG_OPT_STRING:
+ free(*(char **)cfg->entries[i]);
+ *(char **)cfg->entries[i] = NULL;
+ break;
+ default:
+ break;
+ }
+ }
}
cfg->flags = 0;
}
+/* Load a value into the part of a struct swb_config indicated by name */
+static int swb_config_load_option(struct swb_config *cfg,
+ char *name, char *value) {
+ struct swb_config_option *opt;
+ ptrdiff_t i;
+
+ /* Search through list of recognized config options for a match */
+ for (opt = swb_config_options; opt->name; ++opt) {
+ if (strcmp(name, opt->name))
+ continue;
+
+ if (!(cfg->flags & opt->set_mask)) {
+ i = opt - swb_config_options;
+ switch (opt->type) {
+ case SWB_CONFIG_OPT_STRING:
+ *(char **)cfg->entries[i] = value;
+ break;
+ case SWB_CONFIG_OPT_INT:
+ *(int *)cfg->entries[i] = atoi(value);
+ free(value);
+ break;
+ }
+ cfg->flags |= opt->set_mask;
+ } else {
+ /* Option was repeated in the config file
+ We want the first value, so ignore this one */
+ free(value);
+ }
+ return 1;
+ }
+
+ /* Unrecognized config option */
+ free(value);
+ return 0;
+}
+
/* Read the config file and load settings into the provided swb_config struct
Caller is responsible for freeing allocated strings with free()
Returns true on success, false otherwise */
if (!parse_config_file_begin())
goto out;
while (!parse_config_file_line(fp, &line)) {
- if (line.parsed) {
- if (!strcmp(line.key, "continuous_mode")) {
- if (!(cfg->flags &
- SWB_CONFIG_CONTINUOUS_MODE_SET)) {
- cfg->continuous_mode = atoi(line.value);
- cfg->flags |=
- SWB_CONFIG_CONTINUOUS_MODE_SET;
- }
- free(line.value);
- } else if (!strcmp(line.key, "default_browser")) {
- if (!(cfg->flags &
- SWB_CONFIG_DEFAULT_BROWSER_SET)) {
- cfg->default_browser = line.value;
- cfg->flags |=
- SWB_CONFIG_DEFAULT_BROWSER_SET;
- }
- } else if (!strcmp(line.key, "other_browser_cmd")) {
- if (!(cfg->flags &
- SWB_CONFIG_OTHER_BROWSER_CMD_SET)) {
- cfg->other_browser_cmd = line.value;
- cfg->flags |=
- SWB_CONFIG_OTHER_BROWSER_CMD_SET;
- }
- } else if (!strcmp(line.key, "logging")) {
- if (!(cfg->flags & SWB_CONFIG_LOGGING_SET)) {
- cfg->logging = line.value;
- cfg->flags |= SWB_CONFIG_LOGGING_SET;
- }
- } else {
- /* Don't need this line's contents */
- free(line.value);
- }
- }
+ if (line.parsed)
+ swb_config_load_option(cfg, line.key, line.value);
free(line.key);
}
parse_config_file_end();