viscal

commit 7d2ac9894ac70904c0903324f4670ea393ce0b6c
parent 181d84832f9dff30c5634ff248a0ea2c1466d5fb
Author: William Casarin <bill@casarin.me>
Date:   Mon, 16 Jan 2017 14:04:35 -0800

initial ical support

Diffstat:
M
Makefile
 | 
18
+++++++++++++++---
M
calendar.c
 | 
39
+++++++++++++++++++++++++++++++++++++++
A
scripts/mktags
 | 
13
+++++++++++++

3 files changed, 67 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
@@ -1,5 +1,9 @@
 
-all: calendar
+BIN ?= calendar
+
+all: $(BIN)
+
+DEPS=libical gtk+-3.0
 
 CFLAGS=-Wall \
        -Wextra \
@@ -7,7 +11,15 @@ CFLAGS=-Wall \
        -Werror=int-conversion \
 			 -std=c99 \
 			 -g \
-       `pkg-config --cflags --libs gtk+-3.0`
+       `pkg-config --cflags --libs $(DEPS)`
 
-calendar: calendar.c Makefile
+$(BIN): $(BIN).c Makefile
 	$(CC) $(CFLAGS) -o $@ $<
+
+TAGS:
+	./scripts/mktags $(DEPS) > $@
+
+clean:
+	rm -f $(BIN)
+
+.PHONY: TAGS clean
diff --git a/calendar.c b/calendar.c
@@ -1,8 +1,10 @@
 
 #include <cairo/cairo.h>
 #include <gtk/gtk.h>
+#include <libical/ical.h>
 #include <time.h>
 #include <string.h>
+#include <stdlib.h>
 #include <math.h>
 #include <locale.h>
 
@@ -82,6 +84,7 @@ const double dashed[] = {1.0};
 
 static struct event* events_hit (struct event *, int, double, double);
 static int event_hit (struct event *, double, double);
+static icalcomponent* calendar_load_ical(struct cal *cal, char *path);
 static void calendar_print_state(struct cal *cal);
 static void format_margin_time (char *, int, int);
 static void format_locale_time(char *buffer, int bsize, struct tm *tm);
@@ -120,6 +123,40 @@ event_create(struct event *ev) {
   return ev;
 }
 
+static char *
+file_load(char *path) {
+  FILE *f = fopen(path, "rb");
+  fseek(f, 0, SEEK_END);
+  long fsize = ftell(f);
+  fseek(f, 0, SEEK_SET);
+
+  char *string = malloc(fsize);
+  fread(string, fsize, 1, f);
+  fclose(f);
+  return string;
+}
+
+static icalcomponent *
+calendar_load_ical(struct cal *cal, char *path) {
+  icalcomponent *prop;
+  icalcomponent_kind kind = ICAL_VEVENT_COMPONENT;
+  // TODO: free icalcomponent somewhere
+  const char *str = file_load(path);
+  icalcomponent *component = icalparser_parse_string(str);
+  if (!component) return NULL;
+  printf("got here\n");
+  icalcomponent *i = icalcomponent_get_first_component(component, kind);
+
+  for(i = icalcomponent_get_first_component(component, kind); i;
+      i = icalcomponent_get_next_component(component, kind))
+  {
+    printf("%s\n", icalcomponent_get_summary(i));
+  }
+
+  free((void*)str);
+  return component;
+}
+
 static void
 calendar_drop(struct cal *cal, double mx, double my) {
   struct event *ev = cal->target;
@@ -540,6 +577,8 @@ int main(int argc, char *argv[])
     .minute_round = 30
   };
 
+  calendar_load_ical(&cal, "/home/jb55/Downloads/mycalendar.ics");
+
   g_text_color.r = text_col;
   g_text_color.g = text_col;
   g_text_color.b = text_col;
diff --git a/scripts/mktags b/scripts/mktags
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+DEPS="$@"
+DIRS="$(pkg-config --cflags-only-I $DEPS | sed 's/\ \?-I/ /g')"
+FILES=""
+
+for dir in $(tr ' ' '\n' <<< "$DIRS"); do
+  FILES+=$(find "$dir" -type f -name '*.h')
+done
+
+<<<"$FILES" xargs etags --declarations -o -