2 * vim:ts=4:sw=4:expandtab
5 #include <yajl/yajl_common.h>
6 #include <yajl/yajl_gen.h>
7 #include <yajl/yajl_parse.h>
11 /* TODO: refactor the whole parsing thing */
13 static char *last_key;
14 static Con *json_node;
16 static bool parsing_swallows;
17 static bool parsing_rect;
18 static bool parsing_window_rect;
19 struct Match *current_swallow;
21 static int json_start_map(void *ctx) {
22 LOG("start of map, last_key = %s\n", last_key);
23 if (parsing_swallows) {
24 LOG("TODO: create new swallow\n");
25 current_swallow = smalloc(sizeof(Match));
26 match_init(current_swallow);
27 TAILQ_INSERT_TAIL(&(json_node->swallow_head), current_swallow, matches);
29 if (!parsing_rect && !parsing_window_rect) {
30 if (last_key && strcasecmp(last_key, "floating_nodes") == 0) {
31 Con *ws = con_get_workspace(json_node);
32 json_node = con_new(NULL);
33 json_node->parent = ws;
34 TAILQ_INSERT_TAIL(&(ws->floating_head), json_node, floating_windows);
35 TAILQ_INSERT_TAIL(&(ws->focus_head), json_node, focused);
37 Con *parent = json_node;
38 json_node = con_new(NULL);
39 json_node->parent = parent;
46 static int json_end_map(void *ctx) {
48 if (!parsing_swallows && !parsing_rect && !parsing_window_rect) {
50 con_attach(json_node, json_node->parent, false);
51 json_node = json_node->parent;
55 if (parsing_window_rect)
56 parsing_window_rect = false;
60 static int json_end_array(void *ctx) {
61 LOG("end of array\n");
62 parsing_swallows = false;
66 static int json_key(void *ctx, const unsigned char *val, unsigned int len) {
67 LOG("key: %.*s\n", len, val);
69 last_key = scalloc((len+1) * sizeof(char));
70 memcpy(last_key, val, len);
71 if (strcasecmp(last_key, "swallows") == 0) {
72 parsing_swallows = true;
74 if (strcasecmp(last_key, "rect") == 0)
76 if (strcasecmp(last_key, "window_rect") == 0)
77 parsing_window_rect = true;
81 static int json_string(void *ctx, const unsigned char *val, unsigned int len) {
82 LOG("string: %.*s for key %s\n", len, val, last_key);
83 if (parsing_swallows) {
84 /* TODO: the other swallowing keys */
85 if (strcasecmp(last_key, "class") == 0) {
86 current_swallow->class = scalloc((len+1) * sizeof(char));
87 memcpy(current_swallow->class, val, len);
89 LOG("unhandled yet: swallow\n");
91 if (strcasecmp(last_key, "name") == 0) {
92 json_node->name = scalloc((len+1) * sizeof(char));
93 memcpy(json_node->name, val, len);
94 } else if (strcasecmp(last_key, "sticky_group") == 0) {
95 json_node->sticky_group = scalloc((len+1) * sizeof(char));
96 memcpy(json_node->sticky_group, val, len);
97 LOG("sticky_group of this container is %s\n", json_node->sticky_group);
103 static int json_int(void *ctx, long val) {
104 LOG("int %d for key %s\n", val, last_key);
105 if (strcasecmp(last_key, "orientation") == 0) {
106 json_node->orientation = val;
108 if (strcasecmp(last_key, "layout") == 0) {
109 json_node->layout = val;
111 if (strcasecmp(last_key, "type") == 0) {
112 json_node->type = val;
114 if (strcasecmp(last_key, "fullscreen_mode") == 0) {
115 json_node->fullscreen_mode = val;
117 if (strcasecmp(last_key, "focused") == 0 && val == 1) {
118 to_focus = json_node;
121 if (strcasecmp(last_key, "num") == 0)
122 json_node->num = val;
124 if (parsing_rect || parsing_window_rect) {
125 Rect *r = (parsing_rect ? &(json_node->rect) : &(json_node->window_rect));
126 if (strcasecmp(last_key, "x") == 0)
128 else if (strcasecmp(last_key, "y") == 0)
130 else if (strcasecmp(last_key, "width") == 0)
132 else if (strcasecmp(last_key, "height") == 0)
134 else printf("WARNING: unknown key %s in rect\n", last_key);
135 printf("rect now: (%d, %d, %d, %d)\n",
136 r->x, r->y, r->width, r->height);
138 if (parsing_swallows) {
139 if (strcasecmp(last_key, "id") == 0) {
140 current_swallow->id = val;
142 if (strcasecmp(last_key, "dock") == 0) {
143 current_swallow->dock = true;
150 static int json_double(void *ctx, double val) {
151 LOG("double %f for key %s\n", val, last_key);
152 if (strcasecmp(last_key, "percent") == 0) {
153 json_node->percent = val;
158 void tree_append_json(const char *filename) {
159 /* TODO: percent of other windows are not correctly fixed at the moment */
161 if ((f = fopen(filename, "r")) == NULL) {
162 LOG("Cannot open file\n");
165 char *buf = malloc(65535); /* TODO */
166 int n = fread(buf, 1, 65535, f);
167 LOG("read %d bytes\n", n);
170 yajl_callbacks callbacks;
171 memset(&callbacks, '\0', sizeof(yajl_callbacks));
172 callbacks.yajl_start_map = json_start_map;
173 callbacks.yajl_end_map = json_end_map;
174 callbacks.yajl_end_array = json_end_array;
175 callbacks.yajl_string = json_string;
176 callbacks.yajl_map_key = json_key;
177 callbacks.yajl_integer = json_int;
178 callbacks.yajl_double = json_double;
179 g = yajl_gen_alloc(NULL, NULL);
180 hand = yajl_alloc(&callbacks, NULL, NULL, (void*)g);
184 parsing_rect = false;
185 parsing_window_rect = false;
186 setlocale(LC_NUMERIC, "C");
187 stat = yajl_parse(hand, (const unsigned char*)buf, n);
188 if (stat != yajl_status_ok &&
189 stat != yajl_status_insufficient_data)
191 unsigned char * str = yajl_get_error(hand, 1, (const unsigned char*)buf, n);
192 fprintf(stderr, (const char *) str);
193 yajl_free_error(hand, str);
196 setlocale(LC_NUMERIC, "");
197 yajl_parse_complete(hand);