diff options
Diffstat (limited to 'parser/parse.c')
| -rw-r--r-- | parser/parse.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/parser/parse.c b/parser/parse.c new file mode 100644 index 00000000..2b81594a --- /dev/null +++ b/parser/parse.c @@ -0,0 +1,190 @@ +#include "parse.h" +#include <glib.h> + +struct Callback { + char *tag; + ParseCallback func; + void *data; +}; + +static GHashTable *callbacks; + +static void destfunc(struct Callback *c) +{ + g_free(c->tag); + g_free(c); +} + +void parse_startup() +{ + callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, + (GDestroyNotify)destfunc); +} + +void parse_shutdown() +{ + g_hash_table_destroy(callbacks); +} + +void parse_register(const char *tag, ParseCallback func, void *data) +{ + struct Callback *c; + + if ((c = g_hash_table_lookup(callbacks, tag))) { + g_warning("tag '%s' already registered", tag); + return; + } + + c = g_new(struct Callback, 1); + c->tag = g_strdup(tag); + c->func = func; + c->data = data; + g_hash_table_insert(callbacks, c->tag, c); +} + +gboolean parse_load_rc(xmlDocPtr *doc, xmlNodePtr *root) +{ + char *path; + gboolean r = FALSE; + + path = g_build_filename(g_get_home_dir(), ".openbox", "rc3", NULL); + if (parse_load(path, "openbox_config", doc, root)) { + r = TRUE; + } else { + g_free(path); + path = g_build_filename(RCDIR, "rc3", NULL); + if (parse_load(path, "openbox_config", doc, root)) { + r = TRUE; + } + } + g_free(path); + if (!r) + g_message("unable to find a valid config file, using defaults"); + return r; +} + +gboolean parse_load(const char *path, const char *rootname, + xmlDocPtr *doc, xmlNodePtr *root) +{ + + xmlLineNumbersDefault(1); + + if ((*doc = xmlParseFile(path))) { + *root = xmlDocGetRootElement(*doc); + if (!*root) { + xmlFreeDoc(*doc); + *doc = NULL; + g_warning("%s is an empty document", path); + } else { + if (xmlStrcasecmp((*root)->name, (const xmlChar*)rootname)) { + xmlFreeDoc(*doc); + *doc = NULL; + g_warning("document %s is of wrong type. root *root is " + "not 'openbox_config'", path); + } + } + } + if (!*doc) + return FALSE; + return TRUE; +} + +void parse_close(xmlDocPtr doc) +{ + xmlFree(doc); +} + +void parse_tree(xmlDocPtr doc, xmlNodePtr node, void *nothing) +{ + while (node) { + struct Callback *c = g_hash_table_lookup(callbacks, node->name); + + if (c) + c->func(doc, node->xmlChildrenNode, c->data); + + node = node->next; + } +} + +char *parse_string(xmlDocPtr doc, xmlNodePtr node) +{ + xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE); + char *s = g_strdup((char*)c); + xmlFree(c); + return s; +} + +int parse_int(xmlDocPtr doc, xmlNodePtr node) +{ + xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE); + int i = atoi((char*)c); + xmlFree(c); + return i; +} + +gboolean parse_bool(xmlDocPtr doc, xmlNodePtr node) +{ + xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE); + gboolean b = FALSE; + if (!xmlStrcasecmp(c, (const xmlChar*) "true")) + b = TRUE; + else if (!xmlStrcasecmp(c, (const xmlChar*) "yes")) + b = TRUE; + else if (!xmlStrcasecmp(c, (const xmlChar*) "on")) + b = TRUE; + xmlFree(c); + return b; +} + +gboolean parse_contains(const char *val, xmlDocPtr doc, xmlNodePtr node) +{ + xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE); + gboolean r; + r = !xmlStrcasecmp(c, (const xmlChar*) val); + xmlFree(c); + return r; +} + +xmlNodePtr parse_find_node(const char *tag, xmlNodePtr node) +{ + while (node) { + if (!xmlStrcasecmp(node->name, (const xmlChar*) tag)) + return node; + node = node->next; + } + return NULL; +} + +gboolean parse_attr_int(const char *name, xmlNodePtr node, int *value) +{ + xmlChar *c = xmlGetProp(node, (const xmlChar*) name); + gboolean r = FALSE; + if (c) { + *value = atoi((char*)c); + r = TRUE; + } + xmlFree(c); + return r; +} + +gboolean parse_attr_string(const char *name, xmlNodePtr node, char **value) +{ + xmlChar *c = xmlGetProp(node, (const xmlChar*) name); + gboolean r = FALSE; + if (c) { + *value = g_strdup((char*)c); + r = TRUE; + } + xmlFree(c); + return r; +} + +gboolean parse_attr_contains(const char *val, xmlNodePtr node, + const char *name) +{ + xmlChar *c = xmlGetProp(node, (const xmlChar*) name); + gboolean r; + r = !xmlStrcasecmp(c, (const xmlChar*) val); + xmlFree(c); + return r; +} |