661 lines
12 KiB
Text
661 lines
12 KiB
Text
/*
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* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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%{
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#include "defs.h"
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#include <glib.h>
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#include <ctype.h>
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#include "procmsg.h"
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#include "procmime.h"
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#include "utils.h"
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#include "procheader.h"
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#include "quote_fmt.h"
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#include "quote_fmt_lex.h"
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/* decl */
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/*
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flex quote_fmt.l
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bison -p quote_fmt quote_fmt.y
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*/
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int yylex(void);
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static MsgInfo *msginfo = NULL;
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static gboolean *visible = NULL;
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static gboolean dry_run = FALSE;
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static gint maxsize = 0;
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static gint stacksize = 0;
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static gchar *buffer = NULL;
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static gint bufmax = 0;
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static gint bufsize = 0;
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static const gchar *quote_str = NULL;
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static const gchar *body = NULL;
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static gint error = 0;
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static gint cursor_pos = -1;
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extern int quote_fmt_firsttime;
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static void add_visibility(gboolean val)
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{
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stacksize++;
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if (maxsize < stacksize) {
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maxsize += 128;
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visible = g_realloc(visible, maxsize * sizeof(gboolean));
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if (visible == NULL)
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maxsize = 0;
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}
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visible[stacksize - 1] = val;
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}
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static void remove_visibility(void)
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{
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stacksize--;
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}
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static void add_buffer(const gchar *s)
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{
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gint len;
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len = strlen(s);
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if (bufsize + len + 1 > bufmax) {
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if (bufmax == 0)
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bufmax = 128;
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while (bufsize + len + 1 > bufmax)
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bufmax *= 2;
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buffer = g_realloc(buffer, bufmax);
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}
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strcpy(buffer + bufsize, s);
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bufsize += len;
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}
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gchar *quote_fmt_get_buffer(void)
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{
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if (error != 0)
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return NULL;
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else
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return buffer;
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}
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gint quote_fmt_get_cursor_pos(void)
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{
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return cursor_pos;
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}
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#define INSERT(buf) \
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if (stacksize != 0 && visible[stacksize - 1]) \
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add_buffer(buf)
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#define INSERT_CHARACTER(chr) \
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if (stacksize != 0 && visible[stacksize - 1]) { \
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gchar tmp[2]; \
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tmp[0] = (chr); \
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tmp[1] = '\0'; \
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add_buffer(tmp); \
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}
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void quote_fmt_init(MsgInfo *info, const gchar *my_quote_str,
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const gchar *my_body, gboolean my_dry_run)
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{
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quote_str = my_quote_str;
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body = my_body;
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msginfo = info;
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dry_run = my_dry_run;
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stacksize = 0;
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add_visibility(TRUE);
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if (buffer != NULL)
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*buffer = 0;
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bufsize = 0;
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error = 0;
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/*
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* force LEX initialization
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*/
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quote_fmt_firsttime = 1;
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cursor_pos = -1;
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}
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void quote_fmterror(char *str)
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{
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g_warning("Error: %s\n", str);
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error = 1;
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}
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int quote_fmtwrap(void)
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{
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return 1;
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}
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static int isseparator(int ch)
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{
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return g_ascii_isspace(ch) || ch == '.' || ch == '-';
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}
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static void quote_fmt_show_date(const MsgInfo *msginfo, const gchar *format)
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{
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char result[100];
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char *rptr;
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char zone[6];
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struct tm lt;
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const char *fptr;
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const char *zptr;
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if (!msginfo->date)
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return;
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/*
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* ALF - GNU C's strftime() has a nice format specifier
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* for time zone offset (%z). Non-standard however, so
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* emulate it.
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*/
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#define RLEFT (sizeof result) - (rptr - result)
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#define STR_SIZE(x) (sizeof (x) - 1)
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zone[0] = 0;
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if (procheader_date_parse_to_tm(msginfo->date, <, zone)) {
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/*
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* break up format string in tiny bits delimited by valid %z's and
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* feed it to strftime(). don't forget that '%%z' mean literal '%z'.
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*/
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for (rptr = result, fptr = format; fptr && *fptr && rptr < &result[sizeof result - 1];) {
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int perc;
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const char *p;
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char *tmp;
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if (NULL != (zptr = strstr(fptr, "%z"))) {
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/*
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* count nr. of prepended percent chars
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*/
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for (perc = 0, p = zptr; p && p >= format && *p == '%'; p--, perc++)
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;
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/*
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* feed to strftime()
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*/
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tmp = g_strndup(fptr, zptr - fptr + (perc % 2 ? 0 : STR_SIZE("%z")));
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if (tmp) {
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rptr += strftime(rptr, RLEFT, tmp, <);
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g_free(tmp);
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}
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/*
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* append time zone offset
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*/
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if (zone[0] && perc % 2)
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rptr += g_snprintf(rptr, RLEFT, "%s", zone);
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fptr = zptr + STR_SIZE("%z");
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} else {
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rptr += strftime(rptr, RLEFT, fptr, <);
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fptr = NULL;
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}
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}
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INSERT(result);
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}
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#undef STR_SIZE
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#undef RLEFT
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}
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static void quote_fmt_show_first_name(const MsgInfo *msginfo)
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{
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guchar *p;
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gchar *str;
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if (!msginfo->fromname)
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return;
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p = strchr(msginfo->fromname, ',');
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if (p != NULL) {
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/* fromname is like "Duck, Donald" */
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p++;
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while (*p && isspace(*p)) p++;
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str = alloca(strlen(p) + 1);
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if (str != NULL) {
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strcpy(str, p);
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INSERT(str);
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}
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} else {
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/* fromname is like "Donald Duck" */
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str = alloca(strlen(msginfo->fromname) + 1);
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if (str != NULL) {
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strcpy(str, msginfo->fromname);
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p = str;
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while (*p && !isspace(*p)) p++;
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*p = '\0';
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INSERT(str);
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}
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}
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}
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static void quote_fmt_show_last_name(const MsgInfo *msginfo)
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{
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gchar *p;
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gchar *str;
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/* This probably won't work together very well with Middle
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names and the like - thth */
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if (!msginfo->fromname)
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return;
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str = alloca(strlen(msginfo->fromname) + 1);
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if (str != NULL) {
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strcpy(str, msginfo->fromname);
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p = strchr(str, ',');
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if (p != NULL) {
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/* fromname is like "Duck, Donald" */
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*p = '\0';
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INSERT(str);
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} else {
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/* fromname is like "Donald Duck" */
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p = str;
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while (*p && !isspace(*p)) p++;
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if (*p) {
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/* We found a space. Get first
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none-space char and insert
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rest of string from there. */
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while (*p && isspace(*p)) p++;
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if (*p) {
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INSERT(p);
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} else {
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/* If there is no none-space
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char, just insert whole
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fromname. */
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INSERT(str);
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}
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} else {
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/* If there is no space, just
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insert whole fromname. */
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INSERT(str);
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}
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}
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}
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}
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static void quote_fmt_show_sender_initial(const MsgInfo *msginfo)
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{
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#define MAX_SENDER_INITIAL 20
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gchar tmp[MAX_SENDER_INITIAL];
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guchar *p;
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gchar *cur;
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gint len = 0;
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if (!msginfo->fromname)
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return;
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p = msginfo->fromname;
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cur = tmp;
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while (*p) {
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if (*p && g_utf8_validate(p, 1, NULL)) {
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*cur = toupper(*p);
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cur++;
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len++;
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if (len >= MAX_SENDER_INITIAL - 1)
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break;
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} else
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break;
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while (*p && !isseparator(*p)) p++;
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while (*p && isseparator(*p)) p++;
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}
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*cur = '\0';
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INSERT(tmp);
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}
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static void quote_fmt_show_msg(MsgInfo *msginfo, const gchar *body,
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gboolean quoted, gboolean signature,
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const gchar *quote_str)
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{
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gchar buf[BUFFSIZE];
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FILE *fp;
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if (!(msginfo->folder || body))
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return;
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if (body)
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fp = str_open_as_stream(body);
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else {
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if (procmime_msginfo_is_encrypted(msginfo))
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fp = procmime_get_first_encrypted_text_content(msginfo);
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else
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fp = procmime_get_first_text_content(msginfo);
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}
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if (fp == NULL)
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g_warning("Can't get text part\n");
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else {
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while (fgets(buf, sizeof(buf), fp) != NULL) {
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strcrchomp(buf);
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if (!signature && strncmp(buf, "-- \n", 4) == 0)
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break;
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if (quoted && quote_str)
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INSERT(quote_str);
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INSERT(buf);
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}
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fclose(fp);
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}
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}
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static void quote_fmt_insert_file(const gchar *filename)
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{
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FILE *file;
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char buffer[256];
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if ((file = g_fopen(filename, "rb")) != NULL) {
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while (fgets(buffer, sizeof(buffer), file)) {
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INSERT(buffer);
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}
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fclose(file);
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}
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}
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static void quote_fmt_insert_program_output(const gchar *progname)
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{
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FILE *file;
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char buffer[256];
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if ((file = popen(progname, "r")) != NULL) {
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while (fgets(buffer, sizeof(buffer), file)) {
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INSERT(buffer);
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}
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pclose(file);
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}
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}
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%}
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%union {
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char chr;
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char str[256];
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}
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%token SHOW_NEWSGROUPS
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%token SHOW_DATE SHOW_FROM SHOW_FULLNAME SHOW_FIRST_NAME SHOW_LAST_NAME
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%token SHOW_SENDER_INITIAL SHOW_SUBJECT SHOW_TO SHOW_MESSAGEID
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%token SHOW_PERCENT SHOW_CC SHOW_REFERENCES SHOW_MESSAGE
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%token SHOW_QUOTED_MESSAGE SHOW_BACKSLASH SHOW_TAB
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%token SHOW_QUOTED_MESSAGE_NO_SIGNATURE SHOW_MESSAGE_NO_SIGNATURE
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%token SHOW_EOL SHOW_QUESTION_MARK SHOW_PIPE SHOW_OPARENT SHOW_CPARENT
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%token QUERY_DATE QUERY_FROM
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%token QUERY_FULLNAME QUERY_SUBJECT QUERY_TO QUERY_NEWSGROUPS
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%token QUERY_MESSAGEID QUERY_CC QUERY_REFERENCES
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%token INSERT_FILE INSERT_PROGRAMOUTPUT
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%token OPARENT CPARENT
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%token CHARACTER
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%token SHOW_DATE_EXPR
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%token SET_CURSOR_POS
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%start quote_fmt
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%token <chr> CHARACTER
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%type <chr> character
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%type <str> string
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%%
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quote_fmt:
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character_or_special_or_insert_or_query_list;
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character_or_special_or_insert_or_query_list:
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character_or_special_or_insert_or_query character_or_special_or_insert_or_query_list
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| character_or_special_or_insert_or_query ;
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character_or_special_or_insert_or_query:
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special
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| character
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{
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INSERT_CHARACTER($1);
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}
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| query
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| insert ;
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character:
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CHARACTER
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;
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string:
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CHARACTER
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{
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$$[0] = $1;
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$$[1] = '\0';
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}
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| string CHARACTER
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{
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int len;
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strncpy($$, $1, sizeof($$));
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$$[sizeof($$) - 1] = '\0';
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len = strlen($$);
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if (len + 1 < sizeof($$)) {
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$$[len + 1] = '\0';
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$$[len] = $2;
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}
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};
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special:
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SHOW_NEWSGROUPS
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{
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if (msginfo->newsgroups)
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INSERT(msginfo->newsgroups);
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}
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| SHOW_DATE_EXPR OPARENT string CPARENT
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{
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quote_fmt_show_date(msginfo, $3);
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}
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| SHOW_DATE
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{
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if (msginfo->date)
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INSERT(msginfo->date);
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}
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| SHOW_FROM
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{
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if (msginfo->from)
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INSERT(msginfo->from);
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}
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| SHOW_FULLNAME
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{
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if (msginfo->fromname)
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INSERT(msginfo->fromname);
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}
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| SHOW_FIRST_NAME
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{
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quote_fmt_show_first_name(msginfo);
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}
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| SHOW_LAST_NAME
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{
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quote_fmt_show_last_name(msginfo);
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}
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| SHOW_SENDER_INITIAL
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{
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quote_fmt_show_sender_initial(msginfo);
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}
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| SHOW_SUBJECT
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{
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if (msginfo->subject)
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INSERT(msginfo->subject);
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}
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| SHOW_TO
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{
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if (msginfo->to)
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INSERT(msginfo->to);
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}
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| SHOW_MESSAGEID
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{
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if (msginfo->msgid)
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INSERT(msginfo->msgid);
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}
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| SHOW_PERCENT
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{
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INSERT("%");
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}
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| SHOW_CC
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{
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if (msginfo->cc)
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INSERT(msginfo->cc);
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}
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| SHOW_REFERENCES
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{
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/* CLAWS: use in reply to header */
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/* if (msginfo->references)
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INSERT(msginfo->references); */
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}
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| SHOW_MESSAGE
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{
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quote_fmt_show_msg(msginfo, body, FALSE, TRUE, quote_str);
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}
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| SHOW_QUOTED_MESSAGE
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{
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quote_fmt_show_msg(msginfo, body, TRUE, TRUE, quote_str);
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}
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| SHOW_MESSAGE_NO_SIGNATURE
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{
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quote_fmt_show_msg(msginfo, body, FALSE, FALSE, quote_str);
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}
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| SHOW_QUOTED_MESSAGE_NO_SIGNATURE
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{
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quote_fmt_show_msg(msginfo, body, TRUE, FALSE, quote_str);
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}
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| SHOW_BACKSLASH
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{
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INSERT("\\");
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}
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| SHOW_TAB
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{
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INSERT("\t");
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}
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| SHOW_EOL
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{
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INSERT("\n");
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}
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| SHOW_QUESTION_MARK
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{
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INSERT("?");
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}
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| SHOW_PIPE
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{
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INSERT("|");
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}
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| SHOW_OPARENT
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{
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INSERT("{");
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}
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| SHOW_CPARENT
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{
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INSERT("}");
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}
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| SET_CURSOR_POS
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{
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cursor_pos = bufsize;
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};
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query:
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QUERY_DATE
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{
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add_visibility(msginfo->date != NULL);
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}
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OPARENT quote_fmt CPARENT
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{
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remove_visibility();
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}
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| QUERY_FROM
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{
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add_visibility(msginfo->from != NULL);
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}
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OPARENT quote_fmt CPARENT
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{
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remove_visibility();
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}
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| QUERY_FULLNAME
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{
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add_visibility(msginfo->fromname != NULL);
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}
|
|
OPARENT quote_fmt CPARENT
|
|
{
|
|
remove_visibility();
|
|
}
|
|
| QUERY_SUBJECT
|
|
{
|
|
add_visibility(msginfo->subject != NULL);
|
|
}
|
|
OPARENT quote_fmt CPARENT
|
|
{
|
|
remove_visibility();
|
|
}
|
|
| QUERY_TO
|
|
{
|
|
add_visibility(msginfo->to != NULL);
|
|
}
|
|
OPARENT quote_fmt CPARENT
|
|
{
|
|
remove_visibility();
|
|
}
|
|
| QUERY_NEWSGROUPS
|
|
{
|
|
add_visibility(msginfo->newsgroups != NULL);
|
|
}
|
|
OPARENT quote_fmt CPARENT
|
|
{
|
|
remove_visibility();
|
|
}
|
|
| QUERY_MESSAGEID
|
|
{
|
|
add_visibility(msginfo->msgid != NULL);
|
|
}
|
|
OPARENT quote_fmt CPARENT
|
|
{
|
|
remove_visibility();
|
|
}
|
|
| QUERY_CC
|
|
{
|
|
add_visibility(msginfo->cc != NULL);
|
|
}
|
|
OPARENT quote_fmt CPARENT
|
|
{
|
|
remove_visibility();
|
|
}
|
|
| QUERY_REFERENCES
|
|
{
|
|
/* CLAWS: use in-reply-to header */
|
|
/* add_visibility(msginfo->references != NULL); */
|
|
}
|
|
OPARENT quote_fmt CPARENT
|
|
{
|
|
remove_visibility();
|
|
};
|
|
|
|
insert:
|
|
INSERT_FILE OPARENT string CPARENT
|
|
{
|
|
if (!dry_run) {
|
|
quote_fmt_insert_file($3);
|
|
}
|
|
}
|
|
| INSERT_PROGRAMOUTPUT OPARENT string CPARENT
|
|
{
|
|
if (!dry_run) {
|
|
quote_fmt_insert_program_output($3);
|
|
}
|
|
};
|