Split online help code into a separate function

Reintroduce help.c and move the online help code into a new function
display_help().

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

1 files changed, 144 insertions, 0 deletions

diff --git a/src/help.c b/src/help.c
new file mode 100644
index 0000000..bf755fd
--- /dev/null
+++ b/src/help.c
@@ -0,0 +1,144 @@
+/*
+ * Calcurse - text-based organizer
+ *
+ * Copyright (c) 2004-2013 calcurse Development Team <misc@calcurse.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
+ *        materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Send your feedback or comments to : misc@calcurse.org
+ * Calcurse home page : http://calcurse.org
+ *
+ */
+
+#include "calcurse.h"
+
+int display_help(const char *topic)
+{
+	char path[BUFSIZ];
+
+	if (!topic)
+		topic = "intro";
+
+	snprintf(path, BUFSIZ, DOCDIR "/%s.txt", topic);
+
+	if (!io_file_exists(path) && keys_str2int(topic) > 0 &&
+	    keys_get_action(keys_str2int(topic)) > 0) {
+		int ch = keys_str2int(topic);
+		enum key action = keys_get_action(ch);
+		topic = keys_get_label(action);
+		snprintf(path, BUFSIZ, DOCDIR "/%s.txt", topic);
+	}
+
+	if (!io_file_exists(path)) {
+		if (!strcmp(topic, "generic-credits"))
+			topic = "credits";
+		else if (!strcmp(topic, "generic-help"))
+			topic = "intro";
+		else if (!strcmp(topic, "generic-save"))
+			topic = "save";
+		else if (!strcmp(topic, "generic-copy"))
+			topic = "copy_paste";
+		else if (!strcmp(topic, "generic-paste"))
+			topic = "copy_paste";
+		else if (!strcmp(topic, "generic-change-view"))
+			topic = "tab";
+		else if (!strcmp(topic, "generic-import"))
+			topic = "import";
+		else if (!strcmp(topic, "generic-export"))
+			topic = "export";
+		else if (!strcmp(topic, "generic-goto"))
+			topic = "goto";
+		else if (!strcmp(topic, "generic-other-cmd"))
+			topic = "other";
+		else if (!strcmp(topic, "generic-config-menu"))
+			topic = "config";
+		else if (!strcmp(topic, "generic-add-appt"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-add-todo"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-prev-day"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-next-day"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-prev-week"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-next-week"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-prev-month"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-next-month"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-prev-year"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-next-year"))
+			topic = "general";
+		else if (!strcmp(topic, "generic-goto-today"))
+			topic = "general";
+		else if (!strcmp(topic, "move-right"))
+			topic = "displacement";
+		else if (!strcmp(topic, "move-left"))
+			topic = "displacement";
+		else if (!strcmp(topic, "move-down"))
+			topic = "displacement";
+		else if (!strcmp(topic, "move-up"))
+			topic = "displacement";
+		else if (!strcmp(topic, "start-of-week"))
+			topic = "displacement";
+		else if (!strcmp(topic, "end-of-week"))
+			topic = "displacement";
+		else if (!strcmp(topic, "add-item"))
+			topic = "add";
+		else if (!strcmp(topic, "del-item"))
+			topic = "delete";
+		else if (!strcmp(topic, "edit-item"))
+			topic = "edit";
+		else if (!strcmp(topic, "view-item"))
+			topic = "view";
+		else if (!strcmp(topic, "pipe-item"))
+			topic = "pipe";
+		else if (!strcmp(topic, "flag-item"))
+			topic = "flag";
+		else if (!strcmp(topic, "repeat"))
+			topic = "repeat";
+		else if (!strcmp(topic, "edit-note"))
+			topic = "enote";
+		else if (!strcmp(topic, "view-note"))
+			topic = "vnote";
+		else if (!strcmp(topic, "raise-priority"))
+			topic = "priority";
+		else if (!strcmp(topic, "lower-priority"))
+			topic = "priority";
+		snprintf(path, BUFSIZ, DOCDIR "/%s.txt", topic);
+	}
+
+	if (io_file_exists(path)) {
+		wins_launch_external(path, conf.pager);
+		return 1;
+	} else {
+		return 0;
+	}
+}