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Fixes #60: Allowing typesetter to be specified from first line #64

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Fixes #60: Allowing typesetter to be specified from first line #64

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24 changes: 24 additions & 0 deletions src/configfile.c
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,8 @@
#include "environment.h"
#include "utils.h"

extern Gummi* gummi;

static gchar* config_filename = 0;
static slist* config_head = 0;

Expand Down Expand Up @@ -170,6 +172,28 @@ void config_set_default (void) {
* if (config_get_value("parameter_name")) {...}
*/
const gchar* config_get_value (const gchar* term) {
// Tries and gets the typesetter from the first line of the document.
GuTabContext* tc;
GtkSourceBuffer* buffer;
// Checks that nothing is NULL on the road towards the editor buffer
if (term && STR_EQU(term, "typesetter") &&
gummi && gummi->tabmanager && g_tabs &&
(tc = g_list_nth_data(g_tabs, tabmanagergui_get_current_page())) &&
tc->editor && (buffer = tc->editor->buffer)) {
// Gets head-of-file and end-of-first-line indices
gchar* ts_prefix = "%!TYPESETTER";
GtkTextIter start, end;
gtk_text_buffer_get_start_iter(buffer, &start);
gtk_text_buffer_get_iter_at_line(buffer, &end, 1);
gchar* first_line = gtk_text_buffer_get_text(GTK_TEXT_BUFFER(buffer),
&start, &end, TRUE);
// Return typesetter value if prefix is matched
if (first_line &&
strncmp(ts_prefix, first_line, strlen(ts_prefix)) == 0 &&
(first_line = strtok(first_line, " \t\n\r")))
return strtok(NULL, " \t\n\r");
} // if

gchar* ret = NULL;
slist* index = slist_find (config_head, term, FALSE, TRUE);

Expand Down