+++ /dev/null
-/*
- * Copyright © 2009 Keith Packard <keithp@keithp.com>
- * Copyright © 2010 Michal Sojka <sojkam1@fel.cvut.cz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "gmime-filter-headers.h"
-#include <string.h>
-#include <gmime/gmime-utils.h>
-#include <glib/gprintf.h>
-#include <stdlib.h>
-#include <xutil.h>
-
-/**
- * SECTION: gmime-filter-headers
- * @title: GMimeFilterHeaders
- * @short_description: Add/remove headers markers
- *
- * A #GMimeFilter for decoding rfc2047 encoded headers to UTF-8
- **/
-
-
-static void g_mime_filter_headers_class_init (GMimeFilterHeadersClass *klass);
-static void g_mime_filter_headers_init (GMimeFilterHeaders *filter, GMimeFilterHeadersClass *klass);
-static void g_mime_filter_headers_finalize (GObject *object);
-
-static GMimeFilter *filter_copy (GMimeFilter *filter);
-static void filter_filter (GMimeFilter *filter, char *in, size_t len, size_t prespace,
- char **out, size_t *outlen, size_t *outprespace);
-static void filter_complete (GMimeFilter *filter, char *in, size_t len, size_t prespace,
- char **out, size_t *outlen, size_t *outprespace);
-static void filter_reset (GMimeFilter *filter);
-
-
-static GMimeFilterClass *parent_class = NULL;
-
-GType
-g_mime_filter_headers_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo info = {
- sizeof (GMimeFilterHeadersClass),
- NULL, /* base_class_init */
- NULL, /* base_class_finalize */
- (GClassInitFunc) g_mime_filter_headers_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GMimeFilterHeaders),
- 0, /* n_preallocs */
- (GInstanceInitFunc) g_mime_filter_headers_init,
- NULL /* value_table */
- };
-
- type = g_type_register_static (GMIME_TYPE_FILTER, "GMimeFilterHeaders", &info, (GTypeFlags) 0);
- }
-
- return type;
-}
-
-
-static void
-g_mime_filter_headers_class_init (GMimeFilterHeadersClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
- GMimeFilterClass *filter_class = GMIME_FILTER_CLASS (klass);
-
- parent_class = (GMimeFilterClass *) g_type_class_ref (GMIME_TYPE_FILTER);
-
- object_class->finalize = g_mime_filter_headers_finalize;
-
- filter_class->copy = filter_copy;
- filter_class->filter = filter_filter;
- filter_class->complete = filter_complete;
- filter_class->reset = filter_reset;
-}
-
-static void
-g_mime_filter_headers_init (GMimeFilterHeaders *filter, GMimeFilterHeadersClass *klass)
-{
- (void) klass;
- filter->saw_nl = TRUE;
- filter->line = NULL;
- filter->line_size = 0;
- filter->lineptr = NULL;
-}
-
-static void
-g_mime_filter_headers_finalize (GObject *object)
-{
- free (GMIME_FILTER_HEADERS (object)->line);
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-
-static GMimeFilter *
-filter_copy (GMimeFilter *filter)
-{
- (void) filter;
- return g_mime_filter_headers_new ();
-}
-
-static void
-output_decoded_header (GMimeFilterHeaders *headers, char **outptr)
-{
- char *colon, *name, *s, *decoded_value;
- size_t offset;
- gint ret;
-
- colon = strchr (headers->line, ':');
- if (colon == NULL)
- return;
-
- name = headers->line;
- *colon = '\0';
- s = colon + 1;
- while (*s == ' ' || *s == '\t')
- s++;
- decoded_value = g_mime_utils_header_decode_text(s);
- if (decoded_value == NULL)
- return;
- offset = *outptr - GMIME_FILTER (headers)->outbuf;
- g_mime_filter_set_size (GMIME_FILTER (headers), strlen(name) + 2 +
- strlen(decoded_value) + 2, TRUE);
- *outptr = GMIME_FILTER (headers)->outbuf + offset;
- ret = g_sprintf (*outptr, "%s: %s\n", name, decoded_value);
- if (ret > 0)
- *outptr += ret;
- free (decoded_value);
-}
-
-static void
-output_final_newline (GMimeFilterHeaders *headers, char **outptr)
-{
- size_t offset;
-
- offset = *outptr - GMIME_FILTER (headers)->outbuf;
- g_mime_filter_set_size (GMIME_FILTER (headers), 1, TRUE);
- *outptr = GMIME_FILTER (headers)->outbuf + offset;
- *(*outptr)++ = '\n';
-}
-
-static void
-filter_filter (GMimeFilter *filter, char *inbuf, size_t inlen, size_t prespace,
- char **outbuf, size_t *outlen, size_t *outprespace)
-{
- GMimeFilterHeaders *headers = (GMimeFilterHeaders *) filter;
- register const char *inptr = inbuf;
- const char *inend = inbuf + inlen;
- char *lineptr, *lineend, *outptr;
-
- (void) prespace;
- if (headers->line == NULL) {
- headers->line_size = 200;
- headers->lineptr = headers->line = malloc (headers->line_size);
- }
- lineptr = headers->lineptr;
- lineend = headers->line + headers->line_size - 1;
- if (lineptr == NULL)
- return;
- outptr = filter->outbuf;
- while (inptr < inend) {
- if (*inptr == '\n') {
- if (headers->saw_nl)
- output_final_newline(headers, &outptr);
- headers->saw_nl = TRUE;
- inptr++;
- continue;
- }
-
- if (lineptr == lineend) {
- headers->line_size *= 2;
- headers->line = xrealloc (headers->line, headers->line_size);
- lineptr = headers->line + (headers->line_size / 2) - 1;
- lineend = headers->line + headers->line_size - 1;
- }
-
- if (headers->saw_nl && *inptr != ' ' && *inptr != '\t') {
- *lineptr = '\0';
- output_decoded_header (headers, &outptr);
- lineptr = headers->line;
- }
- if (headers->saw_nl && (*inptr == ' ' || *inptr == '\t')) {
- *lineptr = ' ';
- lineptr++;
- while (inptr < inend && (*inptr == ' ' || *inptr == '\t'))
- inptr++;
- headers->saw_nl = FALSE;
- continue;
- }
- headers->saw_nl = FALSE;
-
- if (*inptr != '\r')
- *lineptr++ = *inptr;
- inptr++;
- }
- if (headers->saw_nl) {
- *lineptr = '\0';
- output_decoded_header (headers, &outptr);
- lineptr = headers->line;
- }
- headers->lineptr = lineptr;
- *outlen = outptr - filter->outbuf;
- *outprespace = filter->outpre;
- *outbuf = filter->outbuf;
-}
-
-static void
-filter_complete (GMimeFilter *filter, char *inbuf, size_t inlen, size_t prespace,
- char **outbuf, size_t *outlen, size_t *outprespace)
-{
- if (inbuf && inlen)
- filter_filter (filter, inbuf, inlen, prespace, outbuf, outlen, outprespace);
-}
-
-static void
-filter_reset (GMimeFilter *filter)
-{
- GMimeFilterHeaders *headers = (GMimeFilterHeaders *) filter;
-
- headers->saw_nl = TRUE;
- free(headers->line);
- headers->line = NULL;
- headers->line_size = 0;
-}
-
-
-/**
- * g_mime_filter_headers_new:
- * @encode: %TRUE if the filter should encode or %FALSE otherwise
- * @dots: encode/decode dots (as for SMTP)
- *
- * Creates a new #GMimeFilterHeaders filter.
- *
- * If @encode is %TRUE, then all lines will be prefixed by "> ",
- * otherwise any lines starting with "> " will have that removed
- *
- * Returns: a new #GMimeFilterHeaders filter.
- **/
-GMimeFilter *
-g_mime_filter_headers_new (void)
-{
- GMimeFilterHeaders *new_headers;
-
- new_headers = (GMimeFilterHeaders *) g_object_newv (GMIME_TYPE_FILTER_HEADERS, 0, NULL);
-
- return (GMimeFilter *) new_headers;
-}
-
projects / notmuch / blobdiff