Implemented basic formatting mode

src/mainwindow.c

@@ -93,6 +93,8 @@ static gboolean mainWindow_list_entry_visible(GtkTreeModel *model,
 			search_matched = 1;
 		g_free(temp);
 
+		g_regex_unref(regex);
+
 		if (!search_matched)
 			return 0;
 	}
@@ -672,9 +674,26 @@ static void mainWindow_set_text(struct mainWindow *mainWindow, gchar *text, gcha
 	gchar *base_url   = NULL;
 	GFileOutputStream *stream = NULL;
 	GFile *file       = NULL;
+	GtkTextIter iter;
+	GtkTextIter iter_end;
 
 	if (mainWindow->renderer == RENDERER_TEXT) {
 		gtk_text_buffer_set_text(mainWindow->textBuffer, text, strlen(text));
+	} else if (mainWindow->renderer == RENDERER_BASIC) {
+		cmd_stdout = md_pango_render(text, strlen(text));
+		gtk_text_buffer_set_text(mainWindow->textBuffer, "", 0);
+		gtk_text_buffer_get_start_iter(mainWindow->textBuffer, &iter);
+		gtk_text_buffer_insert_markup(mainWindow->textBuffer,
+					      &iter,
+					      cmd_stdout,
+					      strlen(cmd_stdout));
+		g_free(cmd_stdout);
+		gtk_text_buffer_get_start_iter(mainWindow->textBuffer, &iter);
+		gtk_text_buffer_get_end_iter(mainWindow->textBuffer, &iter_end);
+		if (strlen(gtk_text_buffer_get_text(mainWindow->textBuffer, &iter, &iter_end, 0)) == 0) {
+			g_warning("Could not render markdown for file. Showing plain text instead.\n");
+			gtk_text_buffer_set_text(mainWindow->textBuffer, text, strlen(text));
+		}
 	} else {
 		if (text[0] != '\0') {
 			base_url = g_strdup_printf("file://%s", file_url);
@@ -689,28 +708,12 @@ static void mainWindow_set_text(struct mainWindow *mainWindow, gchar *text, gcha
 			cmd = g_strdup_printf("markdown %s", tempfile_path);
 			if (g_spawn_command_line_sync(cmd, &cmd_stdout, &cmd_stderr, &exit_status, NULL) &&
 					exit_status == 0) {
-				if (mainWindow->renderer == RENDERER_BASIC) {
+				webkit_web_view_load_html_string(WEBKIT_WEB_VIEW(mainWindow->webkitView),
-					/* TODO: This renderer is broken. Pango does not like HTML... */
+								 cmd_stdout, base_url);
-					GtkTextIter iter;
-					gtk_text_buffer_set_text(mainWindow->textBuffer, "", 0);
-					gtk_text_buffer_get_start_iter(mainWindow->textBuffer, &iter);
-					gtk_text_buffer_insert_markup(mainWindow->textBuffer,
-								      &iter,
-								      cmd_stdout,
-								      strlen(cmd_stdout));
-				} else {
-					webkit_web_view_load_html_string(WEBKIT_WEB_VIEW(mainWindow->webkitView),
-									 cmd_stdout, base_url);
-				}
 			} else {
 				g_warning("Could not render markdown for file. Showing plain text instead.\n");
-				if (mainWindow->renderer == RENDERER_BASIC) {
+				webkit_web_view_load_html_string(WEBKIT_WEB_VIEW(mainWindow->webkitView),
-					gtk_text_buffer_set_text(mainWindow->textBuffer,
+								 text, base_url);
-								 cmd_stdout, strlen(cmd_stdout));
-				} else {
-					webkit_web_view_load_html_string(WEBKIT_WEB_VIEW(mainWindow->webkitView),
-									 text, base_url);
-				}
 			}
 			g_free(base_url);
 		} else {

src/mainwindow.h

@@ -6,6 +6,7 @@
 #include <gtk/gtk.h>
 #include <webkit2/webkit2.h>
 #include "mdiary.h"
+#include "md_pango.h"
 
 #define FILE_LIST_MAX_LEN 5
 

src/md_pango.c

@@ -0,0 +1,34 @@
+#include "md_pango.h"
+
+gchar *md_pango_render(gchar *markup, gint length)
+{
+	gchar *str;
+	gchar *str2;
+	GRegex *regex;
+
+	regex = g_regex_new("\\>", 0, 0, NULL);
+	str = g_regex_replace(regex, markup, -1, 0, ">", 0, NULL);
+	g_regex_unref(regex);
+
+	regex = g_regex_new("\\<", 0, 0, NULL);
+	str2 = g_regex_replace(regex, str, -1, 0, "&lt;", 0, NULL);
+	g_regex_unref(regex);
+	g_free(str);
+
+	regex = g_regex_new("\\*{2}([^\\*]*)\\*{2}", 0, 0, NULL);
+	str = g_regex_replace(regex, str2, -1, 0, "<b>\\1</b>", 0, NULL);
+	g_regex_unref(regex);
+	g_free(str2);
+
+	regex = g_regex_new("\\*([^\\*]*)\\*", 0, 0, NULL);
+	str2 = g_regex_replace(regex, str, -1, 0, "<i>\\1</i>", 0, NULL);
+	g_regex_unref(regex);
+	g_free(str);
+
+	regex = g_regex_new("\\!\\[([^\\]]*)\\]\\(([^\\)]*)\\)", 0, 0, NULL);
+	str = g_regex_replace(regex, str2, -1, 0, "-- Image \\1 (\\2) --", 0, NULL);
+	g_regex_unref(regex);
+	g_free(str2);
+
+	return str;
+}

src/md_pango.h

@@ -0,0 +1,7 @@
+#ifndef MD_PANGO_H
+#define MD_PANGO_H
+
+#include <glib.h>
+gchar *md_pango_render(gchar *markup, gint length);
+
+#endif /* MD_PANGO_H */