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/* main.c
*
* Copyright (C) 2015-2017 Christian Hergert <chergert@redhat.com>
*
* This file is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This file is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gio/gio.h>
#include <stdio.h>
#include <stdlib.h>
#include <tmpl-glib.h>
static gboolean
method_missing (TmplScope *scope,
const gchar *name,
TmplSymbol **symbol,
gpointer user_data)
{
g_autofree gchar *str = g_strdup_printf ("missing symbol: %s", name);
g_assert (scope != NULL);
g_assert (name != NULL);
g_assert (symbol != NULL);
*symbol = tmpl_symbol_new ();
tmpl_symbol_assign_string (*symbol, str);
return TRUE;
}
gint
main (gint argc,
gchar *argv[])
{
TmplTemplateLocator *locator = NULL;
GOutputStream *stream = NULL;
TmplTemplate *tmpl = NULL;
TmplScope *scope = NULL;
GFile *file = NULL;
gchar *output;
GError *error = NULL;
gint ret = EXIT_FAILURE;
gchar zero = 0;
if (argc != 2)
{
g_printerr ("usage: %s TEMPLATE\n", argv [0]);
return EXIT_FAILURE;
}
locator = tmpl_template_locator_new ();
tmpl_template_locator_prepend_search_path (locator, ".");
tmpl = tmpl_template_new (locator);
file = g_file_new_for_commandline_arg (argv [1]);
scope = tmpl_scope_new ();
tmpl_scope_set_resolver (scope, method_missing, NULL, NULL);
if (!tmpl_template_parse_file (tmpl, file, NULL, &error))
{
g_printerr ("ERROR: %s\n", error->message);
g_clear_error (&error);
goto cleanup;
}
stream = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
if (!tmpl_template_expand (tmpl, stream, scope, NULL, &error))
{
g_printerr ("ERROR: %s\n", error->message);
g_clear_error (&error);
goto cleanup;
}
g_output_stream_write (stream, &zero, 1, NULL, NULL);
output = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (stream));
g_print ("%s\n", output);
ret = EXIT_SUCCESS;
cleanup:
g_clear_object (&stream);
g_clear_object (&locator);
g_clear_object (&tmpl);
g_clear_object (&file);
return ret;
}
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