mattn
fredjean
hspak
+dopsi
-#ifndef URL_H
+#if !defined( URL_H )
#define URL_H
-// init the url module
-void url_init(void);
+/*
+ * An object to store all urls of a slide.
+ * Copyright (C) 2014 Michael Goehler
+ *
+ * This file is part of mdp.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * function: url_init to intialize a new url object
+ */
+
+typedef struct _url_t {
+ char *link_name;
+ char *target;
+ int x;
+ int y;
+ struct _url_t *next;
+} url_t;
-int url_add(const char * link_name, int link_name_length, const char * target, int target_length, int x, int y);
+void url_init(void);
+int url_add(const char *link_name, int link_name_length, const char *target, int target_length, int x, int y);
char * url_get_target(int index);
char * url_get_name(int index);
int url_get_amount(void);
void url_purge(void);
void url_dump(void);
-#endif // URL_H
+#endif // !defined( URL_H )
#include "common.h"
#include "parser.h"
#include "cstack.h"
+#include "url.h"
#define CP_WHITE 1 // 255
#define CP_BLUE 2 // 123
#include "url.h"
-typedef struct Url {
- char * link_name;
- char * target;
- int x;
- int y;
- struct Url * next;
-} Url_t;
-
-static void url_del_elem(Url_t * elem);
-static void url_print(Url_t * u);
-
-static Url_t *list;
+static void url_del_elem(url_t *elem);
+static void url_print(url_t *u);
+
+static url_t *list;
static int index_max;
static int init_ok;
void url_init(void) {
- list = NULL;
- index_max = 0;
- init_ok = 1;
+ list = NULL;
+ index_max = 0;
+ init_ok = 1;
}
-int url_add(const char * link_name, int link_name_length, const char * target, int target_length, int x, int y) {
- if (!init_ok) return -1;
-
- Url_t *tmp = NULL;
- int i = 0;
-
- if (list) {
- tmp = list;
- while (tmp->next) {
- tmp = tmp->next;
- i++;
- }
- tmp->next = malloc(sizeof(Url_t));
- assert(tmp->next);
- tmp = tmp->next;
- } else {
- list = malloc(sizeof(Url_t));
- tmp = list;
- assert(tmp);
- }
-
- tmp -> link_name = calloc(link_name_length, sizeof(char));
- assert(tmp->link_name);
- strncpy(tmp->link_name, link_name, link_name_length);
-
- tmp->target = calloc(target_length, sizeof(char));
- assert(tmp->target);
- strncpy(tmp->target, target, target_length);
-
- tmp->x = x;
- tmp->y = y;
- tmp->next = NULL;
-
- index_max++;
-
- return index_max-1;
-}
+int url_add(const char *link_name, int link_name_length, const char *target, int target_length, int x, int y) {
+ if (!init_ok) return -1;
+
+ url_t *tmp = NULL;
+ int i = 0;
+
+ if (list) {
+ tmp = list;
+ while (tmp->next) {
+ tmp = tmp->next;
+ i++;
+ }
+ tmp->next = malloc(sizeof(url_t));
+ assert(tmp->next);
+ tmp = tmp->next;
+ } else {
+ list = malloc(sizeof(url_t));
+ tmp = list;
+ assert(tmp);
+ }
+
+ tmp -> link_name = calloc(link_name_length, sizeof(char));
+ assert(tmp->link_name);
+ strncpy(tmp->link_name, link_name, link_name_length);
+ tmp->target = calloc(target_length, sizeof(char));
+ assert(tmp->target);
+ strncpy(tmp->target, target, target_length);
+
+ tmp->x = x;
+ tmp->y = y;
+ tmp->next = NULL;
+
+ index_max++;
+
+ return index_max-1;
+}
char * url_get_target(int index) {
- Url_t * tmp = list;
-
- while (index > 0 && tmp && tmp->next) {
- tmp = tmp->next;
- index --;
- }
-
- if (!index) {
- return tmp->target;
- } else return NULL;
+ url_t *tmp = list;
+
+ while (index > 0 && tmp && tmp->next) {
+ tmp = tmp->next;
+ index--;
+ }
+
+ if (!index) {
+ return tmp->target;
+ } else return NULL;
}
char * url_get_name(int index) {
- Url_t * tmp = list;
-
- while (index > 0 && tmp && tmp->next) {
- tmp = tmp->next;
- index --;
- }
-
- if (!index) {
- return tmp->link_name;
- } else return NULL;
+ url_t *tmp = list;
+
+ while (index > 0 && tmp && tmp->next) {
+ tmp = tmp->next;
+ index --;
+ }
+
+ if (!index) {
+ return tmp->link_name;
+ } else return NULL;
}
void url_purge() {
- url_del_elem(list);
- list = NULL;
- index_max = 0;
- init_ok = 0;
+ url_del_elem(list);
+ list = NULL;
+ index_max = 0;
+ init_ok = 0;
}
-static void url_del_elem(Url_t *elem) {
- if (!elem) return;
-
- if (elem->next) {
- url_del_elem(elem->next);
- elem->next = NULL;
- }
-
- if (elem->target) {
- free(elem->target);
- elem->target = NULL;
- }
-
- if (elem->link_name) {
- free(elem->link_name);
- elem->link_name = NULL;
- }
-
- free(elem);
+static void url_del_elem(url_t *elem) {
+ if (!elem) return;
+
+ if (elem->next) {
+ url_del_elem(elem->next);
+ elem->next = NULL;
+ }
+
+ if (elem->target) {
+ free(elem->target);
+ elem->target = NULL;
+ }
+
+ if (elem->link_name) {
+ free(elem->link_name);
+ elem->link_name = NULL;
+ }
+
+ free(elem);
}
void url_dump(void) {
- if (!list) return;
-
- Url_t *tmp = list;
-
- while (tmp) {
- url_print(tmp);
- if (tmp->next)
- tmp = tmp->next;
- else break;
- }
+ if (!list) return;
+
+ url_t *tmp = list;
+
+ while (tmp) {
+ url_print(tmp);
+ if (tmp->next)
+ tmp = tmp->next;
+ else break;
+ }
}
-static void url_print(Url_t * u) {
- printf("Url_t @ %p\n", u);
+static void url_print(url_t *u) {
+ printf("url_t @ %p\n", u);
}
int url_get_amount(void) {
- return index_max;
+ return index_max;
}
#include <unistd.h> // usleep
#include "viewer.h"
-#include "url.h"
// color ramp for fading from black to color
static short white_ramp[24] = { 16, 232, 233, 234, 235, 236,
slide = deck->slide;
while(slide) {
-
- url_init();
-
+
+ url_init();
+
// clear windows
werase(content);
werase(stdscr);
l += (line->length / COLS) + 1;
line = line->next;
}
-
+
int i, ymax;
getmaxyx( content, ymax, i );
for (i = 0; i < url_get_amount(); i++) {
- mvwprintw(content, ymax - url_get_amount() - 1 + i, 3,
- "[%d] %s", i, url_get_target(i));
- }
+ mvwprintw(content, ymax - url_get_amount() - 1 + i, 3,
+ "[%d] %s", i, url_get_target(i));
+ }
// make content visible
wrefresh(content);
// fade out
if(fade)
fade_out(content, trans, colors, invert);
-
+
url_purge();
}
((*(i - 1) == '_' || *(i - 1) == '*') && ((i - 1) == c || *(i - 2) == ' ')) ||
*i == '\\') {
+ // url in pandoc style
if (*i == '[' && strchr(i, ']')) {
-
- if (strchr(i, ']')[1] == '(') {// url in pandoc style
- i++;
- // turn higlighting and underlining on
- if (colors)
- wattron(window, COLOR_PAIR(CP_BLUE));
- wattron(window, A_UNDERLINE);
-
- start_link_name = i;
-
- // print the content of the label
- // the label is printed as is
- do {
- wprintw(window, "%c", *i);
- i++;
- } while (*i != ']');
-
- length_link_name = i - 1 - start_link_name;
-
- i++;
- i++;
-
- start_url = i;
-
- while (*i != ')') i++;
-
- url_num = url_add(start_link_name, length_link_name, start_url, i - start_url, 0,0);
-
- wprintw(window, "[%d]", url_num);
- // turn highlighting and undelining off
- wattroff(window, A_UNDERLINE);
- wattron(window, COLOR_PAIR(CP_WHITE));
- } else wprintw(window, "[");
- } else switch(*i) {
+ if (strchr(i, ']')[1] == '(') {
+ i++;
+
+ // turn higlighting and underlining on
+ if (colors)
+ wattron(window, COLOR_PAIR(CP_BLUE));
+ wattron(window, A_UNDERLINE);
+
+ start_link_name = i;
+
+ // print the content of the label
+ // the label is printed as is
+ do {
+ wprintw(window, "%c", *i);
+ i++;
+ } while (*i != ']');
+
+ length_link_name = i - 1 - start_link_name;
+
+ i++;
+ i++;
+
+ start_url = i;
+
+ while (*i != ')') i++;
+
+ url_num = url_add(start_link_name, length_link_name, start_url, i - start_url, 0,0);
+
+ wprintw(window, "[%d]", url_num);
+
+ // turn highlighting and underlining off
+ wattroff(window, A_UNDERLINE);
+ wattron(window, COLOR_PAIR(CP_WHITE));
+
+ } else {
+ wprintw(window, "[");
+ }
+
+ } else switch(*i) {
// enable highlight
case '*':
if(colors)
