276 lines
8.9 KiB
C
276 lines
8.9 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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*/
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#include <yajl/yajl_common.h>
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#include <yajl/yajl_gen.h>
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#include <yajl/yajl_parse.h>
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#include <yajl/yajl_version.h>
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#include "all.h"
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/* TODO: refactor the whole parsing thing */
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static char *last_key;
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static Con *json_node;
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static Con *to_focus;
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static bool parsing_swallows;
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static bool parsing_rect;
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static bool parsing_window_rect;
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static bool parsing_geometry;
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struct Match *current_swallow;
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static int json_start_map(void *ctx) {
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LOG("start of map, last_key = %s\n", last_key);
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if (parsing_swallows) {
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LOG("creating new swallow\n");
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current_swallow = smalloc(sizeof(Match));
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match_init(current_swallow);
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TAILQ_INSERT_TAIL(&(json_node->swallow_head), current_swallow, matches);
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} else {
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if (!parsing_rect && !parsing_window_rect && !parsing_geometry) {
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if (last_key && strcasecmp(last_key, "floating_nodes") == 0) {
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DLOG("New floating_node\n");
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Con *ws = con_get_workspace(json_node);
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json_node = con_new(NULL, NULL);
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json_node->parent = ws;
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DLOG("Parent is workspace = %p\n", ws);
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} else {
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Con *parent = json_node;
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json_node = con_new(NULL, NULL);
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json_node->parent = parent;
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}
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}
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}
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return 1;
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}
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static int json_end_map(void *ctx) {
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LOG("end of map\n");
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if (!parsing_swallows && !parsing_rect && !parsing_window_rect && !parsing_geometry) {
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LOG("attaching\n");
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con_attach(json_node, json_node->parent, true);
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json_node = json_node->parent;
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}
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if (parsing_rect)
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parsing_rect = false;
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if (parsing_window_rect)
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parsing_window_rect = false;
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if (parsing_geometry)
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parsing_geometry = false;
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return 1;
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}
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static int json_end_array(void *ctx) {
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LOG("end of array\n");
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parsing_swallows = false;
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return 1;
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}
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#if YAJL_MAJOR < 2
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static int json_key(void *ctx, const unsigned char *val, unsigned int len) {
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#else
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static int json_key(void *ctx, const unsigned char *val, size_t len) {
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#endif
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LOG("key: %.*s\n", (int)len, val);
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FREE(last_key);
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last_key = scalloc((len+1) * sizeof(char));
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memcpy(last_key, val, len);
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if (strcasecmp(last_key, "swallows") == 0) {
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parsing_swallows = true;
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}
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if (strcasecmp(last_key, "rect") == 0)
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parsing_rect = true;
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if (strcasecmp(last_key, "window_rect") == 0)
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parsing_window_rect = true;
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if (strcasecmp(last_key, "geometry") == 0)
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parsing_geometry = true;
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return 1;
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}
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#if YAJL_MAJOR >= 2
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static int json_string(void *ctx, const unsigned char *val, size_t len) {
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#else
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static int json_string(void *ctx, const unsigned char *val, unsigned int len) {
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#endif
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LOG("string: %.*s for key %s\n", len, val, last_key);
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if (parsing_swallows) {
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/* TODO: the other swallowing keys */
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if (strcasecmp(last_key, "class") == 0) {
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current_swallow->class = scalloc((len+1) * sizeof(char));
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memcpy(current_swallow->class, val, len);
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}
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LOG("unhandled yet: swallow\n");
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} else {
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if (strcasecmp(last_key, "name") == 0) {
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json_node->name = scalloc((len+1) * sizeof(char));
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memcpy(json_node->name, val, len);
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} else if (strcasecmp(last_key, "sticky_group") == 0) {
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json_node->sticky_group = scalloc((len+1) * sizeof(char));
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memcpy(json_node->sticky_group, val, len);
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LOG("sticky_group of this container is %s\n", json_node->sticky_group);
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} else if (strcasecmp(last_key, "orientation") == 0) {
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char *buf = NULL;
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asprintf(&buf, "%.*s", (int)len, val);
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if (strcasecmp(buf, "none") == 0)
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json_node->orientation = NO_ORIENTATION;
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else if (strcasecmp(buf, "horizontal") == 0)
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json_node->orientation = HORIZ;
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else if (strcasecmp(buf, "vertical") == 0)
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json_node->orientation = VERT;
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else LOG("Unhandled orientation: %s\n", buf);
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free(buf);
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} else if (strcasecmp(last_key, "border") == 0) {
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char *buf = NULL;
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asprintf(&buf, "%.*s", (int)len, val);
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if (strcasecmp(buf, "none") == 0)
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json_node->border_style = BS_NONE;
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else if (strcasecmp(buf, "1pixel") == 0)
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json_node->border_style = BS_1PIXEL;
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else if (strcasecmp(buf, "normal") == 0)
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json_node->border_style = BS_NORMAL;
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else LOG("Unhandled \"border\": %s\n", buf);
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free(buf);
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} else if (strcasecmp(last_key, "layout") == 0) {
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char *buf = NULL;
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asprintf(&buf, "%.*s", (int)len, val);
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if (strcasecmp(buf, "default") == 0)
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json_node->layout = L_DEFAULT;
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else if (strcasecmp(buf, "stacked") == 0)
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json_node->layout = L_STACKED;
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else if (strcasecmp(buf, "tabbed") == 0)
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json_node->layout = L_TABBED;
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else if (strcasecmp(buf, "dockarea") == 0)
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json_node->layout = L_DOCKAREA;
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else if (strcasecmp(buf, "output") == 0)
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json_node->layout = L_OUTPUT;
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else LOG("Unhandled \"layout\": %s\n", buf);
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free(buf);
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}
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}
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return 1;
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}
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#if YAJL_MAJOR >= 2
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static int json_int(void *ctx, long long val) {
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LOG("int %lld for key %s\n", val, last_key);
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#else
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static int json_int(void *ctx, long val) {
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LOG("int %ld for key %s\n", val, last_key);
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#endif
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if (strcasecmp(last_key, "type") == 0) {
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json_node->type = val;
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}
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if (strcasecmp(last_key, "fullscreen_mode") == 0) {
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json_node->fullscreen_mode = val;
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}
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if (strcasecmp(last_key, "num") == 0)
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json_node->num = val;
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if (parsing_rect || parsing_window_rect || parsing_geometry) {
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Rect *r;
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if (parsing_rect)
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r = &(json_node->rect);
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else if (parsing_window_rect)
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r = &(json_node->window_rect);
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else r = &(json_node->geometry);
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if (strcasecmp(last_key, "x") == 0)
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r->x = val;
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else if (strcasecmp(last_key, "y") == 0)
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r->y = val;
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else if (strcasecmp(last_key, "width") == 0)
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r->width = val;
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else if (strcasecmp(last_key, "height") == 0)
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r->height = val;
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else printf("WARNING: unknown key %s in rect\n", last_key);
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printf("rect now: (%d, %d, %d, %d)\n",
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r->x, r->y, r->width, r->height);
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}
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if (parsing_swallows) {
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if (strcasecmp(last_key, "id") == 0) {
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current_swallow->id = val;
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}
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if (strcasecmp(last_key, "dock") == 0) {
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current_swallow->dock = val;
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}
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if (strcasecmp(last_key, "insert_where") == 0) {
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current_swallow->insert_where = val;
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}
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}
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return 1;
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}
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static int json_bool(void *ctx, int val) {
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LOG("bool %d for key %s\n", val, last_key);
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if (strcasecmp(last_key, "focused") == 0 && val) {
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to_focus = json_node;
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}
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return 1;
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}
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static int json_double(void *ctx, double val) {
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LOG("double %f for key %s\n", val, last_key);
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if (strcasecmp(last_key, "percent") == 0) {
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json_node->percent = val;
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}
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return 1;
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}
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void tree_append_json(const char *filename) {
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/* TODO: percent of other windows are not correctly fixed at the moment */
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FILE *f;
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if ((f = fopen(filename, "r")) == NULL) {
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LOG("Cannot open file\n");
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return;
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}
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char *buf = malloc(65535); /* TODO */
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int n = fread(buf, 1, 65535, f);
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LOG("read %d bytes\n", n);
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yajl_gen g;
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yajl_handle hand;
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yajl_callbacks callbacks;
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memset(&callbacks, '\0', sizeof(yajl_callbacks));
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callbacks.yajl_start_map = json_start_map;
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callbacks.yajl_end_map = json_end_map;
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callbacks.yajl_end_array = json_end_array;
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callbacks.yajl_string = json_string;
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callbacks.yajl_map_key = json_key;
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callbacks.yajl_integer = json_int;
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callbacks.yajl_double = json_double;
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callbacks.yajl_boolean = json_bool;
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#if YAJL_MAJOR >= 2
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g = yajl_gen_alloc(NULL);
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hand = yajl_alloc(&callbacks, NULL, (void*)g);
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#else
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g = yajl_gen_alloc(NULL, NULL);
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hand = yajl_alloc(&callbacks, NULL, NULL, (void*)g);
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#endif
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yajl_status stat;
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json_node = focused;
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to_focus = NULL;
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parsing_rect = false;
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parsing_window_rect = false;
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parsing_geometry = false;
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setlocale(LC_NUMERIC, "C");
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stat = yajl_parse(hand, (const unsigned char*)buf, n);
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if (stat != yajl_status_ok)
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{
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unsigned char * str = yajl_get_error(hand, 1, (const unsigned char*)buf, n);
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fprintf(stderr, "%s\n", (const char *) str);
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yajl_free_error(hand, str);
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}
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setlocale(LC_NUMERIC, "");
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#if YAJL_MAJOR >= 2
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yajl_complete_parse(hand);
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#else
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yajl_parse_complete(hand);
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#endif
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fclose(f);
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if (to_focus)
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con_focus(to_focus);
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}
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