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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* mime-utils.c : misc utilities for mime */
/*
*
* Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@inria.fr> .
*
* 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 2 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 <config.h>
#include "gmime-utils.h"
#include "string-utils.h"
#include "camel-log.h"
#include "camel-stream.h"
void
gmime_write_header_pair_to_stream (CamelStream *stream, const gchar* name, const gchar *value)
{
gchar *strtmp;
CAMEL_LOG_FULL_DEBUG ( "gmime_write_header_pair_to_stream:: Entering\n");
g_assert(name);
if (!value) return;
strtmp = g_strdup_printf ("%s: %s\n", name, value);
camel_stream_write_string (stream, strtmp);
CAMEL_LOG_FULL_DEBUG ( "gmime_write_header_pair_to_stream:\n writing %s\n", strtmp);
g_free (strtmp);
CAMEL_LOG_FULL_DEBUG ( "gmime_write_header_pair_to_stream:: Leaving\n");
}
static void
_write_one_header_to_stream (gpointer key, gpointer value, gpointer user_data)
{
gchar *header_name = (gchar *)key;
gchar *header_value = (gchar *)value;
CamelStream *stream = (CamelStream *)user_data;
CAMEL_LOG_FULL_DEBUG ( "_write_one_header_to_stream:: Entering\n");
if ((header_name) && (header_value))
gmime_write_header_pair_to_stream (stream, header_name, header_value);
CAMEL_LOG_FULL_DEBUG ( "_write_one_header_to_stream:: Leaving\n");
}
void
write_header_table_to_stream (CamelStream *stream, GHashTable *header_table)
{
CAMEL_LOG_FULL_DEBUG ( "write_header_table_to_stream:: Entering\n");
g_hash_table_foreach (header_table,
_write_one_header_to_stream,
(gpointer)stream);
CAMEL_LOG_FULL_DEBUG ( "write_header_table_to_stream:: Leaving\n");
}
void
write_header_with_glist_to_stream (CamelStream *stream, const gchar *header_name, GList *header_values, const gchar *separator)
{
gchar *current;
CAMEL_LOG_FULL_DEBUG ( "write_header_with_glist_to_stream:: entering\n");
if ( (header_name) && (header_values) )
{
gboolean first;
camel_stream_write (stream, header_name, strlen (header_name) );
camel_stream_write (stream, ": ", 2);
first = TRUE;
while (header_values) {
current = (gchar *)header_values->data;
if (current) {
if (!first) camel_stream_write_string (stream, separator);
else first = FALSE;
camel_stream_write (stream, current, strlen (current));
}
header_values = g_list_next(header_values);
}
camel_stream_write (stream, "\n", 1);
}
CAMEL_LOG_FULL_DEBUG ( "write_header_with_glist_to_stream:: leaving\n");
}
/* * * * * * * * * * * */
/* scanning functions */
static void
_store_header_pair_from_string (GHashTable *header_table, gchar *header_line)
{
gchar dich_result;
gchar *header_name, *header_value;
gboolean key_exists;
gchar *old_header_name, *old_header_value;
CAMEL_LOG_FULL_DEBUG ( "_store_header_pair_from_string:: Entering\n");
g_assert (header_table);
g_assert (header_line);
if (header_line) {
dich_result = string_dichotomy ( header_line, ':',
&header_name, &header_value,
STRING_DICHOTOMY_NONE);
if (dich_result != 'o') {
CAMEL_LOG_WARNING (
"** WARNING **\n"
"store_header_pair_from_string : dichotomy result is '%c'\n"
"header line is :\n--\n%s\n--\n"
"** \n", dich_result, header_line);
if (header_name)
g_free (header_name);
if (header_value)
g_free (header_value);
} else {
string_trim (header_value, " \t",
STRING_TRIM_STRIP_LEADING | STRING_TRIM_STRIP_TRAILING);
key_exists = g_hash_table_lookup_extended (header_table, header_name, &old_header_name, &old_header_name);
if (key_exists)
printf ("-------- Key %s already exists /n", header_name);
g_hash_table_insert (header_table, header_name, header_value);
}
}
CAMEL_LOG_FULL_DEBUG ( "_store_header_pair_from_string:: Leaving\n");
}
GHashTable *
get_header_table_from_stream (CamelStream *stream)
{
#warning Correct Lazy Implementation
/* should not use GString. */
/* should read the header line by line */
/* and not char by char */
gchar next_char;
gboolean crlf = FALSE;
gboolean end_of_header_line = FALSE;
gboolean end_of_headers = FALSE;
gboolean end_of_file = FALSE;
GString *header_line=NULL;
gchar *str_header_line;
GHashTable *header_table;
gint nb_char_read;
CAMEL_LOG_FULL_DEBUG ( "gmime-utils:: Entering get_header_table_from_stream\n");
header_table = g_hash_table_new (g_str_hash, g_str_equal);
nb_char_read = camel_stream_read (stream, &next_char, 1);
do {
header_line = g_string_new ("");
end_of_header_line = FALSE;
crlf = FALSE;
/* read a whole header line */
do {
if (nb_char_read>0) {
switch (next_char) {
case '\n': /* a blank line means end of headers */
if (crlf) {
end_of_headers=TRUE;
end_of_header_line = TRUE;
}
else crlf = TRUE;
break;
case ' ':
case '\t':
if (crlf) {
crlf = FALSE;
next_char = ' ';
}
default:
if (!crlf) header_line = g_string_append_c (header_line, next_char);
else end_of_header_line = TRUE;
}
} else {
end_of_file=TRUE;
end_of_header_line = TRUE;
}
/* if we have read a whole header line, we have also read
the first character of the next line to be sure the
crlf was not followed by a space or a tab char */
if (!end_of_header_line) nb_char_read = camel_stream_read (stream, &next_char, 1);
} while ( !end_of_header_line );
if ( strlen(header_line->str) ) {
/* str_header_line = g_strdup (header_line->str); */
_store_header_pair_from_string (header_table, header_line->str);
}
g_string_free (header_line, FALSE);
} while ( (!end_of_headers) && (!end_of_file) );
CAMEL_LOG_FULL_DEBUG ( "gmime-utils:: Leaving get_header_table_from_stream\n");
return header_table;
}
gchar *
gmime_read_line_from_stream (CamelStream *stream)
{
GString *new_line;
gchar *result;
gchar next_char;
gboolean end_of_line = FALSE;
gboolean end_of_stream = FALSE;
gint nb_char_read;
new_line = g_string_new ("");
do {
nb_char_read = camel_stream_read (stream, &next_char, 1);
if (nb_char_read>0) {
switch (next_char) {
case '\n':
end_of_line = TRUE;
/* g_string_append_c (new_line, next_char); */
break;
default:
g_string_append_c (new_line, next_char);
}
} else end_of_stream = TRUE;
} while (!end_of_line && !end_of_stream);
if (!end_of_stream)
result = g_strdup (new_line->str);
else result=NULL;
g_string_free (new_line, TRUE);
return result;
}
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