Fixed regex for date

glade/mainWindow.glade

@@ -5,6 +5,8 @@
   <object class="GtkTextBuffer" id="entryTextBuffer"/>
   <object class="GtkEntryCompletion" id="searchEntryCompletion"/>
   <object class="GtkApplicationWindow" id="mainWindow">
+    <property name="width_request">720</property>
+    <property name="height_request">405</property>
     <property name="can_focus">False</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
     <child>
@@ -205,16 +207,25 @@
                 <property name="shrink">True</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkScrolledWindow">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="shadow_type">in</property>
                 <child>
                   <object class="GtkTextView" id="entryText">
-                <property name="width_request">640</property>
-                <property name="height_request">320</property>
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="editable">False</property>
-                <property name="wrap_mode">word</property>
+                    <property name="wrap_mode">word-char</property>
+                    <property name="left_margin">4</property>
+                    <property name="right_margin">4</property>
+                    <property name="top_margin">4</property>
+                    <property name="bottom_margin">4</property>
                     <property name="buffer">entryTextBuffer</property>
                   </object>
+                </child>
+              </object>
               <packing>
                 <property name="resize">True</property>
                 <property name="shrink">True</property>

src/main.c

@@ -2,6 +2,7 @@
 #include <gtk/gtk.h>
 
 #include "mainwindow.h"
+#include "mdiary.h"
 
 int main(int argc, char *argv[])
 {
@@ -12,6 +13,8 @@ int main(int argc, char *argv[])
 	mainWindow = mainWindow_new();
 	gtk_widget_show(mainWindow->mainWindow);
 
+	mdiary_scan_to_store(argv[1], mainWindow->entryListStore);
+
 	gtk_main();
 
 	return 0;

src/mainwindow.c

@@ -1,178 +1,6 @@
 #include "mainwindow.h"
 #include "mdiary.h"
 
-enum {
-	COL_TITLE = 0,  /* Title of the entry */
-	COL_DATE_TEXT,	/* Textual representation of the date (auto generated) */
-	COL_TAGS_TEXT,	/* Textual representation of the tags (auto generated) */
-	COL_TIMESTAMP,  /* GDateTime of the entry */
-	COL_TAGLIST,    /* GList<gchar *> of the tags */
-	COL_TEXT,	/* Raw text from the file */
-	COL_COUNT
-};
-
-/**
- * @brief The dateFormats struct contains regex/date-info pairs to parse different date formats.
- */
-struct dateFormats {
-	gchar *regex;
-	guint index_count;
-	guint index_year;
-	guint index_month;
-	guint index_day;
-	guint index_hour;
-	guint index_minute;
-} dateFormats_list[] = {
-{
-	.regex        = "(\\d{1,4})-(\\d{1,2})-(\\d{1,2})\\s*(\\d{1,2}):(\\d{1,2}).*",
-	.index_count  = 5,
-	.index_year   = 1,
-	.index_month  = 2,
-	.index_day    = 3,
-	.index_hour   = 4,
-	.index_minute = 5
-},
-{
-	.regex        = "(\\d{1,2})\\.(\\d{1,2})\\.(\\d{1,4})\\s*(\\d{1,2}):(\\d{1,2}).*",
-	.index_count  = 5,
-	.index_year   = 3,
-	.index_month  = 2,
-	.index_day    = 1,
-	.index_hour   = 4,
-	.index_minute = 5
-},
-{
-	.regex = "(\\d{1,4})-(\\d{1,2})-(\\d{1,2}).*",
-	.index_count  = 3,
-	.index_year   = 1,
-	.index_month  = 2,
-	.index_day    = 3,
-},
-{
-	.regex = "(\\d{1,2})\\.(\\d{1,2})\\.(\\d{1,4}).*",
-	.index_count  = 3,
-	.index_year   = 3,
-	.index_month  = 2,
-	.index_day    = 1,
-},
-{
-	.regex = NULL
-}
-};
-
-/**
- * @brief mainWindow_get_date_from_string tries to guess the date format used and converts it to GDateTime.
- * @param Input string.
- * @return A GDateTime object or NULL on error. You need to free it after use.
- */
-static GDateTime *mainWindow_get_date_from_string(gchar *string)
-{
-	GRegex *regex;
-	GMatchInfo *match_info;
-	GRegexError *regex_error;
-	struct dateFormats *dateFormats;
-	GDateTime *datetime = NULL;
-	guint year   = 0;
-	guint month  = 0;
-	guint day    = 0;
-	guint hour   = 0;
-	guint minute = 0;
-
-	dateFormats = dateFormats_list;
-	do {
-		regex = g_regex_new(dateFormats->regex, G_REGEX_RAW, 0, NULL);
-		if (g_regex_match(regex, string, 0, &match_info)
-				&& g_regex_get_capture_count(regex) >= dateFormats->index_count &&
-				g_match_info_matches(match_info)) {
-			if (dateFormats->index_year)
-				year   = atoi(g_match_info_fetch(match_info, dateFormats->index_year));
-			if (dateFormats->index_month)
-				month  = atoi(g_match_info_fetch(match_info, dateFormats->index_month));
-			if (dateFormats->index_day)
-				day    = atoi(g_match_info_fetch(match_info, dateFormats->index_day));
-			if (dateFormats->index_hour)
-				hour   = atoi(g_match_info_fetch(match_info, dateFormats->index_hour));
-			if (dateFormats->index_minute)
-				minute = atoi(g_match_info_fetch(match_info, dateFormats->index_minute));
-
-			if (year >= 0 &&
-					month >=1 && month <=12 &&
-					day >= 1 && day <= 31 &&
-					hour >= 0 && hour <= 23 &&
-					minute >= 0 && minute <= 59) {
-				datetime = g_date_time_new_local(year, month, day, hour, minute, 0);
-				g_regex_unref(regex);
-				break;
-			}
-		}
-		g_regex_unref(regex);
-	} while ((++dateFormats)->regex);
-
-	if (!datetime)
-		g_print("Warning! Could not match date in \"%s\"!\n", string);
-
-	return datetime;
-}
-
-/**
- * @brief mainWindow_taglist_to_string concatenates a list with commas
- * @param list is a GList of strings to concatenate
- * @return The string, it needs to be freed using g_free().
- */
-static gchar *mainWindow_taglist_to_string(GList *list)
-{
-	GString *str = NULL;
-	gchar *ret = NULL;
-	GList *l;
-
-	for (l = list; l != NULL; l = l->next) {
-		if (str == NULL)
-			str = g_string_new("");
-		else
-			str = g_string_append(str, ", ");
-		str = g_string_append(str, l->data);
-	}
-
-	ret = str->str;
-	g_string_free(str, 0);
-
-	return ret;
-}
-
-/**
- * @brief mainWindow_list_add_entry adds a diary entry to the main store. All parameters are duplicated.
- * @param mainWindow struct mainWindow *
- * @param title entry title
- * @param datetime entry date time
- * @param tags string list of tags
- * @param text MD source of the entry
- */
-static void mainWindow_list_add_entry(struct mainWindow *mainWindow,
-				      gchar *title,
-				      GDateTime *datetime,
-				      GList *tags,
-				      gchar *text) {
-	GtkTreeIter iter;
-	GDateTime *datetime_copy;
-	gchar *date_text;
-	gchar *taglistString;
-
-	datetime_copy = g_date_time_add(datetime, 0);
-	date_text = g_date_time_format(datetime_copy, "%A, %e %B %Y %R");
-	taglistString = mainWindow_taglist_to_string(tags);
-
-	gtk_list_store_append(mainWindow->entryListStore, &iter);
-	gtk_list_store_set(mainWindow->entryListStore, &iter,
-			   COL_TITLE, title,
-			   COL_DATE_TEXT, date_text,
-			   COL_TAGS_TEXT, taglistString,
-			   COL_TIMESTAMP, datetime_copy,
-			   COL_TAGLIST, NULL,
-			   COL_TEXT, g_strdup(text),
-			   -1);
-	g_free(date_text);
-}
-
 /**
  * @brief mainWindow_list_entry_visible checks whether the entry should be displayed.
  * @param model N/A
@@ -283,6 +111,7 @@ static void mainWindow_configure_treeView(struct mainWindow *mainWindow)
 							G_TYPE_STRING,
 							G_TYPE_POINTER,
 							G_TYPE_POINTER,
+							G_TYPE_STRING,
 							G_TYPE_STRING);
 	mainWindow->entryListFiltered = GTK_TREE_MODEL_FILTER(gtk_tree_model_filter_new(
 								      GTK_TREE_MODEL(mainWindow->entryListStore),
@@ -312,8 +141,8 @@ static void mainWindow_configure_treeView(struct mainWindow *mainWindow)
 						    "text", COL_DATE_TEXT, NULL);
 	col = gtk_tree_view_get_column(mainWindow->entryListView, COL_DATE_TEXT);
 	gtk_tree_view_column_set_resizable(col, 1);
-	gtk_tree_sortable_set_sort_func(sortable, COL_TIMESTAMP, mainWindow_sort_date_compare_func,
-					GINT_TO_POINTER(COL_TIMESTAMP), NULL);
+	gtk_tree_sortable_set_sort_func(sortable, COL_DATE_TEXT, mainWindow_sort_date_compare_func,
+					GINT_TO_POINTER(COL_DATE_TEXT), NULL);
 	gtk_tree_view_column_set_sort_column_id(col, COL_DATE_TEXT);
 
 	renderer = gtk_cell_renderer_text_new();
@@ -324,28 +153,6 @@ static void mainWindow_configure_treeView(struct mainWindow *mainWindow)
 	gtk_tree_view_column_set_sort_column_id(col, COL_TAGS_TEXT);
 
 	gtk_tree_sortable_set_sort_column_id(sortable, COL_DATE_TEXT, GTK_SORT_DESCENDING);
-
-	/*
-	 * Test entries for debugging only
-	 */
-	GDateTime *dt;
-	GList *list = NULL;
-
-	list = g_list_append(list, "Tag0");
-	list = g_list_append(list, "Tag1");
-	list = g_list_append(list, "Tag2");
-
-	dt = g_date_time_new_local(2017, 11, 21, 02, 03, 0);
-	mainWindow_list_add_entry(mainWindow, "Title", dt, list, "Text text text");
-	g_date_time_unref(dt);
-
-	dt = g_date_time_new_local(2017, 2, 3, 6, 7, 1);
-	mainWindow_list_add_entry(mainWindow, "AAA 2", dt, list, "fdfd Text text text");
-	g_date_time_unref(dt);
-
-	dt = g_date_time_new_local(2016, 4, 18, 13, 44, 2);
-	mainWindow_list_add_entry(mainWindow, "Yey entries 3", dt, list, "The content is content.");
-	g_date_time_unref(dt);
 }
 
 /**
@@ -450,9 +257,9 @@ struct mainWindow *mainWindow_new()
 	mainWindow_configure_treeView(mainWindow);
 	mainWindow_connect_signals(mainWindow);
 
-	gtk_toggle_button_set_active(mainWindow->checkSearchTitle, 1);
-	gtk_toggle_button_set_active(mainWindow->checkSearchTags, 1);
-	gtk_toggle_button_set_active(mainWindow->checkSearchText, 0);
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(mainWindow->checkSearchTitle), 1);
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(mainWindow->checkSearchTags), 1);
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(mainWindow->checkSearchText), 0);
 
 	/**
 	 * These need to be set to oldest and newest after indexing date
@@ -560,7 +367,7 @@ void mainWindow_filterChanged(GtkWidget *widget, gpointer user_data)
 	struct mainWindow *mainWindow = (struct mainWindow *)user_data;
 
 	if (!widget || widget == mainWindow->dateStart) {
-		datetime = mainWindow_get_date_from_string((gchar *)gtk_entry_get_text(
+		datetime = mdiary_get_date_from_string((gchar *)gtk_entry_get_text(
 							       GTK_ENTRY(mainWindow->dateStart)));
 		if (datetime) {
 			mainWindow->filterSettings.time_start = g_date_time_to_unix(datetime);
@@ -568,7 +375,7 @@ void mainWindow_filterChanged(GtkWidget *widget, gpointer user_data)
 		}
 	}
 	if (!widget || widget == mainWindow->dateEnd) {
-		datetime = mainWindow_get_date_from_string((gchar *)gtk_entry_get_text(
+		datetime = mdiary_get_date_from_string((gchar *)gtk_entry_get_text(
 							       GTK_ENTRY(mainWindow->dateEnd)));
 		if (datetime) {
 			mainWindow->filterSettings.time_end = g_date_time_to_unix(datetime);
@@ -597,7 +404,7 @@ void mainWindow_checkDate(GtkWidget *widget, gint event, gpointer user_data)
 	struct mainWindow *mainWindow = (struct mainWindow *)user_data;
 	GDateTime *datetime;
 
-	datetime = mainWindow_get_date_from_string((char *)gtk_entry_get_text(GTK_ENTRY(widget)));
+	datetime = mdiary_get_date_from_string((char *)gtk_entry_get_text(GTK_ENTRY(widget)));
 	if (!datetime) {
 		datetime = g_date_time_new_from_unix_local(widget == mainWindow->dateStart
 							   ? mainWindow->filterSettings.time_start

src/mainwindow.h

@@ -3,6 +3,7 @@
 
 #include <stdlib.h>
 #include <gtk/gtk.h>
+#include "mdiary.h"
 
 struct mainWindow {
 	GtkWidget *mainWindow;

src/mdiary.c

@@ -1 +1,416 @@
 #include "mdiary.h"
+
+/**
+ * @brief The dateFormats struct contains regex/date-info pairs to parse different date formats.
+ */
+struct dateFormats {
+	gchar *regex;
+	guint index_count;
+	guint index_year;
+	guint index_month;
+	guint index_day;
+	guint index_hour;
+	guint index_minute;
+} dateFormats_list[] = {
+{
+	.regex        = "(\\d{1,4})-(\\d{1,2})-(\\d{1,2})\\s*(\\d{1,2}):(\\d{1,2}).*",
+	.index_count  = 5,
+	.index_year   = 1,
+	.index_month  = 2,
+	.index_day    = 3,
+	.index_hour   = 4,
+	.index_minute = 5
+},
+{
+	.regex        = "(\\d{2,2})\\.(\\d{1,2})\\.(\\d{1,4})\\s*(\\d{1,2}):(\\d{1,2}).*",
+	/* The regex above should begin with (\d{1,2}). But that seems to break the regex... */
+	.index_count  = 5,
+	.index_year   = 3,
+	.index_month  = 2,
+	.index_day    = 1,
+	.index_hour   = 4,
+	.index_minute = 5
+},
+{
+	.regex = "(\\d{1,4})-(\\d{1,2})-(\\d{1,2}).*",
+	.index_count  = 3,
+	.index_year   = 1,
+	.index_month  = 2,
+	.index_day    = 3,
+},
+{
+	.regex = "(\\d{1,2})\\.(\\d{1,2})\\.(\\d{1,4}).*",
+	.index_count  = 3,
+	.index_year   = 3,
+	.index_month  = 2,
+	.index_day    = 1,
+},
+{
+	.regex = NULL
+}
+};
+
+/**
+ * @brief mdiary_get_date_from_string tries to guess the date format used and converts it to GDateTime.
+ * @param Input string.
+ * @return A GDateTime object or NULL on error. You need to free it after use.
+ */
+GDateTime *mdiary_get_date_from_string(gchar *string)
+{
+	return mdiary_get_date_from_string_ext(string, "", "");
+}
+
+/**
+ * @brief mdiary_get_date_from_string_ext tries to guess the date format used and converts it to GDateTime.
+ * @param Input string.
+ * @return A GDateTime object or NULL on error. You need to free it after use.
+ */
+GDateTime *mdiary_get_date_from_string_ext(gchar *string, gchar *prefix, gchar *suffix)
+{
+	GRegex *regex;
+	GMatchInfo *match_info;
+	struct dateFormats *dateFormats;
+	GDateTime *datetime = NULL;
+	guint year   = 0;
+	guint month  = 0;
+	guint day    = 0;
+	guint hour   = 0;
+	guint minute = 0;
+	gchar *regex_string;
+
+	dateFormats = dateFormats_list;
+	do {
+		regex_string = g_strdup_printf("%s%s%s", prefix, dateFormats->regex, suffix);
+		regex = g_regex_new(regex_string, G_REGEX_RAW, 0, NULL);
+		if (g_regex_match(regex, string, 0, &match_info)
+				&& g_regex_get_capture_count(regex) >= dateFormats->index_count &&
+				g_match_info_matches(match_info)) {
+			if (dateFormats->index_year)
+				year   = atoi(g_match_info_fetch(match_info, dateFormats->index_year));
+			if (dateFormats->index_month)
+				month  = atoi(g_match_info_fetch(match_info, dateFormats->index_month));
+			if (dateFormats->index_day)
+				day    = atoi(g_match_info_fetch(match_info, dateFormats->index_day));
+			if (dateFormats->index_hour)
+				hour   = atoi(g_match_info_fetch(match_info, dateFormats->index_hour));
+			if (dateFormats->index_minute)
+				minute = atoi(g_match_info_fetch(match_info, dateFormats->index_minute));
+
+			if (year >= 0 &&
+					month >=1 && month <=12 &&
+					day >= 1 && day <= 31 &&
+					hour >= 0 && hour <= 23 &&
+					minute >= 0 && minute <= 59) {
+				datetime = g_date_time_new_local(year, month, day, hour, minute, 0);
+				g_regex_unref(regex);
+				g_free(regex_string);
+				break;
+			}
+		}
+		g_free(regex_string);
+		g_regex_unref(regex);
+	} while ((++dateFormats)->regex);
+
+	return datetime;
+}
+
+static gchar *mdiary_get_title_from_string(gchar *string)
+{
+	GRegex *regex;
+	GMatchInfo *match_info;
+	gchar *ret = NULL;
+
+	regex = g_regex_new("\\# (.*)", G_REGEX_RAW, 0, NULL);
+	if (g_regex_match(regex, string, 0, &match_info) &&
+			g_regex_get_capture_count(regex) > 0 &&
+			g_match_info_matches(match_info)) {
+		ret = g_strdup(g_match_info_fetch(match_info, 1));
+	}
+
+	g_regex_unref(regex);
+
+	return ret;
+}
+
+static gchar *mdiary_get_summary_from_string(gchar *string)
+{
+	GRegex *regex;
+	GMatchInfo *match_info;
+	gchar *ret = NULL;
+
+	regex = g_regex_new("^\\s*Summary: (.*)", G_REGEX_RAW, 0, NULL);
+	if (g_regex_match(regex, string, 0, &match_info) &&
+			g_regex_get_capture_count(regex) > 0 &&
+			g_match_info_matches(match_info)) {
+		ret = g_strdup(g_match_info_fetch(match_info, 1));
+	}
+
+	g_regex_unref(regex);
+
+	return ret;
+}
+
+static gboolean mdiary_is_empty_line(gchar *string)
+{
+	GRegex *regex;
+	GMatchInfo *match_info;
+	gchar *ret = 0;
+
+	regex = g_regex_new("^\\s*$", G_REGEX_RAW, 0, NULL);
+	if (g_regex_match(regex, string, 0, &match_info) &&
+			g_match_info_matches(match_info)) {
+		ret = 1;
+	}
+
+	g_regex_unref(regex);
+
+	return ret;
+}
+
+
+static GList *mdiary_add_tags_from_string(gchar *string)
+{
+	GRegex *regex;
+	GMatchInfo *match_info;
+	GList *ret = NULL;
+	gchar *ptr;
+	gchar *beg_ptr;
+	gchar *orig_ptr;
+	gboolean collected = 0;
+	gchar bak;
+
+	regex = g_regex_new("^\\s*Tags: (.*)", G_REGEX_RAW, 0, NULL);
+	if (g_regex_match(regex, string, 0, &match_info) &&
+			g_regex_get_capture_count(regex) > 0 &&
+			g_match_info_matches(match_info)) {
+		/**
+		 * TODO: This function should be rewritten to fully use GRegex...
+		 */
+		ptr = beg_ptr = orig_ptr = g_strdup(g_match_info_fetch(match_info, 1));
+		do {
+			if (*ptr == ',' || *ptr == ' ' || *ptr == '\0') {
+				bak = *ptr;
+				if (collected) {
+					collected = 0;
+					*ptr = '\0';
+					ret = g_list_append(ret, g_strdup(beg_ptr));
+					beg_ptr = ptr + 1;
+					*ptr = bak;
+				} else {
+					beg_ptr = ptr + 1;
+				}
+			} else {
+				collected = 1;
+			}
+		} while (*(ptr++));
+		g_free(orig_ptr);
+	}
+
+	g_regex_unref(regex);
+
+	return ret;
+}
+
+static void mdiary_add_file_to_store(gchar *filename, GtkListStore *entryListStore)
+{
+	GFile *file;
+	GError *err = NULL;
+	GFileInputStream *stream;
+	GDataInputStream *dstream;
+	gchar *line;
+
+	GDateTime *datetime = NULL;
+	gchar *title   = NULL;
+	GList *tagList = NULL;
+	gchar *summary = NULL;
+	GString *text  = NULL;
+	guint header_state = 0;
+
+	g_print("Add file: %s\n", filename);
+
+	file = g_file_new_for_path(filename);
+	stream = g_file_read(file, NULL, &err);
+	if (err != NULL) {
+		g_error("PARSER: Could not open %s for reading: %s\n", filename, err->message);
+		g_error_free(err);
+		return;
+	}
+	dstream = g_data_input_stream_new(G_INPUT_STREAM(stream));
+
+	while (line = g_data_input_stream_read_line(G_DATA_INPUT_STREAM(dstream), NULL, NULL, NULL)) {
+		if (header_state == 0) {
+			if (!datetime) {
+				datetime = mdiary_get_date_from_string_ext(line, "Date: .*", "");
+				if (datetime)
+					continue;
+			}
+			if (!summary) {
+				summary = mdiary_get_summary_from_string(line);
+				if (summary)
+					continue;
+			}
+			if (!title) {
+				title = mdiary_get_title_from_string(line);
+				if (title)
+					continue;
+			}
+			if (!tagList) {
+				tagList = mdiary_add_tags_from_string(line);
+				if (tagList)
+					continue;
+			}
+			header_state = mdiary_is_empty_line(line);
+		} else if (header_state == 1) {
+			header_state += !mdiary_is_empty_line(line);
+		}
+
+		if (header_state == 2) {
+			if (text) {
+				text = g_string_append(text, "\n");
+				text = g_string_append(text, line);
+			} else {
+				text = g_string_new(line);
+			}
+		}
+	}
+
+	if (!datetime) {
+		g_warning("PARSER: Could not detect date in file!\n");
+		datetime = g_date_time_new_from_unix_local(0);
+	}
+	if (!tagList) {
+		g_warning("PARSER: Could not detect tags in file!\n");
+		tagList = g_list_append(tagList, "untagged");
+	}
+	if (!text) {
+		g_warning("PARSER: Could not find any text in file!\n");
+		text = g_string_new("No content found.");
+	}
+	if (!summary) {
+		g_warning("PARSER: Could not detect summary in file!\n");
+		summary = g_strdup("No summary found.");
+	}
+	if (!title) {
+		g_warning("PARSER: Could not detect title in file!\n");
+		title = g_strdup("Untitled");
+	}
+
+	mdiary_add_entry_to_store(entryListStore,
+				  title,
+				  datetime,
+				  tagList,
+				  summary,
+				  text->str);
+
+	g_input_stream_close(G_INPUT_STREAM(dstream), NULL, NULL);
+	g_input_stream_close(G_INPUT_STREAM(stream), NULL, NULL);
+	g_string_free(text, 0);
+	g_free(summary);
+	g_free(title);
+	g_date_time_unref(datetime);
+	g_object_unref(file);
+}
+
+static void mdiary_recurse_and_collect(gchar *base_dir, GtkListStore *entryListStore, guint max_level)
+{
+	GError *error;
+	GDir *dir = g_dir_open(base_dir, 0, &error);
+	gchar *dirname;
+	gchar *fullPath;
+	GRegex *regex;
+	GMatchInfo *match_info;
+
+	if (!dir) {
+		g_print("Error, could not open base directory.\n");
+	} else {
+		while (dirname = (gchar *)g_dir_read_name(dir)) {
+			fullPath = g_strdup_printf("%s/%s", base_dir, dirname);
+			if (g_file_test(fullPath, G_FILE_TEST_IS_REGULAR)) {
+				regex = g_regex_new("\\.md$", G_REGEX_CASELESS, 0, NULL);
+				if (g_regex_match(regex, fullPath, 0, &match_info) &&
+						g_match_info_matches(match_info))
+					mdiary_add_file_to_store(fullPath, entryListStore);
+				g_regex_unref(regex);
+			} else if (g_file_test(fullPath, G_FILE_TEST_IS_DIR) && max_level) {
+				mdiary_recurse_and_collect(fullPath, entryListStore, max_level--);
+			}
+			g_free(fullPath);
+		}
+		g_dir_close(dir);
+	}
+}
+
+/**
+ * @brief mdiary_scan_to_store recursively (max. 5 levels) scans the base_dir into the entryListStore.
+ * @param base_dir The base directory to start scanning in
+ * @param entryListStore Target GtkListStore
+ */
+void mdiary_scan_to_store(gchar *base_dir, GtkListStore *entryListStore)
+{
+	mdiary_recurse_and_collect(base_dir, entryListStore, 5);
+}
+
+/**
+ * @brief mainWindow_taglist_to_string concatenates a list with commas
+ * @param list is a GList of strings to concatenate
+ * @return The string, it needs to be freed using g_free().
+ */
+static gchar *mdiary_taglist_to_string(GList *list)
+{
+	GString *str = NULL;
+	gchar *ret = NULL;
+	GList *l;
+
+	for (l = list; l != NULL; l = l->next) {
+		if (str == NULL)
+			str = g_string_new("");
+		else
+			str = g_string_append(str, ", ");
+		str = g_string_append(str, l->data);
+	}
+
+	ret = str->str;
+	g_string_free(str, 0);
+
+	return ret;
+}
+
+/**
+ * @brief mdiary_add_entry_to_store adds the specified entry to the store. All params are copied.
+ * @param entryListStore target store
+ * @param title Entry title
+ * @param datetime Entry GDateTime
+ * @param tags Entry tags
+ * @param text Entry MD text (with header)
+ */
+void mdiary_add_entry_to_store(GtkListStore *entryListStore,
+			       gchar *title,
+			       GDateTime *datetime,
+			       GList *tags,
+			       gchar *summary,
+			       gchar *text)
+{
+	GtkTreeIter iter;
+	GDateTime *datetime_copy;
+	GList *taglist_copy;
+	gchar *date_text;
+	gchar *taglistString;
+
+	datetime_copy = g_date_time_add(datetime, 0);
+	date_text     = g_date_time_format(datetime_copy, "%A, %e %B %Y %R");
+	taglist_copy  = g_list_copy_deep(tags, (GCopyFunc) g_strdup, NULL);
+	taglistString = mdiary_taglist_to_string(taglist_copy);
+
+
+	gtk_list_store_append(entryListStore, &iter);
+	gtk_list_store_set(entryListStore, &iter,
+			   COL_TITLE, g_strdup(title),
+			   COL_DATE_TEXT, date_text,
+			   COL_TAGS_TEXT, taglistString,
+			   COL_TIMESTAMP, datetime_copy,
+			   COL_TAGLIST, taglist_copy, /* TODO: Verify that the duplication worked! */
+			   COL_SUMMARY, summary, /* Automatically strdupd */
+			   COL_TEXT, text, /* Automatically strdupd */
+			   -1);
+	g_free(date_text);
+}

src/mdiary.h

@@ -1,4 +1,30 @@
 #ifndef MDIARY_H
 #define MDIARY_H
 
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <stdlib.h>
+
+enum {
+	COL_TITLE = 0,  /* Title of the entry */
+	COL_DATE_TEXT,	/* Textual representation of the date (auto generated) */
+	COL_TAGS_TEXT,	/* Textual representation of the tags (auto generated) */
+	COL_TIMESTAMP,  /* GDateTime of the entry */
+	COL_TAGLIST,    /* GList<gchar *> of the tags */
+	COL_SUMMARY,	/* Summary of the entry */
+	COL_TEXT,	/* Raw text from the file */
+	COL_COUNT
+};
+
+void mdiary_scan_to_store(gchar *base_dir,
+			  GtkListStore *entryListStore);
+void mdiary_add_entry_to_store(GtkListStore *entryListStore,
+			       gchar *title,
+			       GDateTime *datetime,
+			       GList *tags,
+			       gchar *summary,
+			       gchar *text);
+GDateTime *mdiary_get_date_from_string_ext(gchar *string, gchar *prefix, gchar *suffix);
+GDateTime *mdiary_get_date_from_string(gchar *string);
+
 #endif /* MDIARY_H */