+++ /dev/null
-/*
- * 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., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- *
- * Copyright © 2006 Pierre Habouzit
- */
-
-/*
- * Copyright notice from original mutt:
- * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
- *
- * This file is part of mutt-ng, see http://www.muttng.org/.
- * It's licensed under the GNU General Public License,
- * please see the file GPL in the top level source directory.
- */
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-
-#include <lib-lib/mem.h>
-#include <lib-lib/str.h>
-#include <lib-lib/ascii.h>
-
-#include "buffer.h"
-#include "mutt.h"
-
-#include "lib/debug.h"
-
-/*
- * Creates and initializes a BUFFER*. If passed an existing BUFFER*,
- * just initializes. Frees anything already in the buffer.
- *
- * Disregards the 'destroy' flag, which seems reserved for caller.
- * This is bad, but there's no apparent protocol for it.
- */
-BUFFER *mutt_buffer_init(BUFFER *b)
-{
- if (!b) {
- b = p_new(BUFFER, 1);
- }
- p_delete(&b->data);
- p_clear(b, 1);
- return b;
-}
-
-/*
- * Creates and initializes a BUFFER*. If passed an existing BUFFER*,
- * just initializes. Frees anything already in the buffer. Copies in
- * the seed string.
- *
- * Disregards the 'destroy' flag, which seems reserved for caller.
- * This is bad, but there's no apparent protocol for it.
- */
-BUFFER *mutt_buffer_from(BUFFER * b, const char *seed)
-{
- if (!seed)
- return NULL;
-
- b = mutt_buffer_init(b);
- b->dsize = m_strlen(seed);
- b->data = m_strdup(seed);
- b->dptr = (char *)b->data + b->dsize;
- return b;
-}
-
-void mutt_buffer_free(BUFFER **p)
-{
- if (p && *p) {
- p_delete(&(*p)->data);
- p_delete(p);
- }
-}
-
-/* dynamically grows a BUFFER to accomodate s, in increments of 128 bytes.
- * Always one byte bigger than necessary for the null terminator, and
- * the buffer is always null-terminated */
-void mutt_buffer_add(BUFFER *buf, const char *s, size_t len)
-{
- size_t offset;
-
- if (buf->dptr + len + 1 > buf->data + buf->dsize) {
- offset = buf->dptr - buf->data;
- buf->dsize += ((len + 1 + 127) & ~127);
- p_realloc(&buf->data, buf->dsize);
- buf->dptr = buf->data + offset;
- }
- memcpy(buf->dptr, s, len);
- buf->dptr += len;
- *buf->dptr = '\0';
-}
-
-int mutt_extract_token(BUFFER *dest, BUFFER *tok, int flags)
-{
- char ch;
- char qc = 0; /* quote char */
- char *pc;
-
- /* reset the destination pointer to the beginning of the buffer */
- dest->dptr = dest->data;
-
- SKIPWS(tok->dptr);
- while ((ch = *tok->dptr)) {
- if (!qc) {
- if ((ISSPACE(ch) && !(flags & M_TOKEN_SPACE))
- || (ch == '#' && !(flags & M_TOKEN_COMMENT))
- || (ch == '=' && (flags & M_TOKEN_EQUAL))
- || (ch == ';' && !(flags & M_TOKEN_SEMICOLON))
- || ((flags & M_TOKEN_PATTERN) && strchr("~=!|", ch)))
- {
- break;
- }
- }
-
- tok->dptr++;
-
- if (ch == qc) {
- qc = 0; /* end of quote */
- } else
- if (!qc && (ch == '\'' || ch == '"') && !(flags & M_TOKEN_QUOTE)) {
- qc = ch;
- } else
- if (ch == '\\' && qc != '\'') {
- if (!*tok->dptr)
- return -1; /* premature end of token */
-
- switch (ch = *tok->dptr++) {
- case 'c':
- case 'C':
- if (!*tok->dptr)
- return -1; /* premature end of token */
- mutt_buffer_addch(dest,
- (ascii_toupper(*tok->dptr) - 'A' + 1) & 0x7f);
- tok->dptr++;
- break;
- case 'r':
- mutt_buffer_addch(dest, '\r');
- break;
- case 'n':
- mutt_buffer_addch(dest, '\n');
- break;
- case 't':
- mutt_buffer_addch(dest, '\t');
- break;
- case 'f':
- mutt_buffer_addch(dest, '\f');
- break;
- case 'e':
- mutt_buffer_addch(dest, '\033');
- break;
- default:
- if (isdigit((unsigned char)ch)
- && isdigit((unsigned char)*tok->dptr)
- && isdigit((unsigned char)*(tok->dptr + 1)))
- {
- mutt_buffer_addch(dest, (ch << 6) + (*tok->dptr << 3) +
- *(tok->dptr + 1) - 3504);
- tok->dptr += 2;
- } else {
- mutt_buffer_addch(dest, ch);
- }
- }
- } else
- if (ch == '^' && (flags & M_TOKEN_CONDENSE)) {
- if (!*tok->dptr)
- return -1; /* premature end of token */
- ch = *tok->dptr++;
- if (ch == '^') {
- mutt_buffer_addch(dest, ch);
- } else
- if (ch == '[') {
- mutt_buffer_addch(dest, '\033');
- } else
- if (isalpha((unsigned char)ch)) {
- mutt_buffer_addch(dest, ascii_toupper(ch) - 'A' + 1);
- } else {
- mutt_buffer_addch(dest, '^');
- mutt_buffer_addch(dest, ch);
- }
- } else
- if (ch == '`' && (!qc || qc == '"')) {
- FILE *fp;
- pid_t pid;
- char *cmd, *ptr;
- size_t expnlen;
- BUFFER expn;
- int line = 0;
-
- pc = tok->dptr;
- do {
- if ((pc = strpbrk(pc, "\\`"))) {
- /* skip any quoted chars */
- if (*pc == '\\')
- pc += 2;
- }
- } while (pc && *pc != '`');
- if (!pc) {
- debug_print (1, ("mismatched backtics\n"));
- return (-1);
- }
-
- cmd = p_dupstr(tok->dptr, pc - tok->dptr);
- if ((pid = mutt_create_filter(cmd, NULL, &fp, NULL)) < 0) {
- debug_print(1, ("unable to fork command: %s\n", cmd));
- p_delete(&cmd);
- return -1;
- }
- p_delete(&cmd);
-
- tok->dptr = pc + 1;
-
- /* read line */
- p_clear(&expn, 1);
- expn.data = mutt_read_line(NULL, &expn.dsize, fp, &line);
- fclose(fp);
- mutt_wait_filter(pid);
-
- /* if we got output, make a new string consiting of the shell ouptput
- plus whatever else was left on the original line */
- /* BUT: If this is inside a quoted string, directly add output to
- * the token */
- if (expn.data && qc) {
- mutt_buffer_addstr(dest, expn.data);
- p_delete(&expn.data);
- } else
- if (expn.data) {
- expnlen = m_strlen(expn.data);
- tok->dsize = expnlen + m_strlen(tok->dptr) + 1;
- ptr = xmalloc(tok->dsize);
- memcpy(ptr, expn.data, expnlen);
- strcpy(ptr + expnlen, tok->dptr); /* __STRCPY_CHECKED__ */
- if (tok->destroy)
- p_delete(&tok->data);
- tok->data = ptr;
- tok->dptr = ptr;
- tok->destroy = 1; /* mark that the caller should destroy this data */
- ptr = NULL;
- p_delete(&expn.data);
- }
- } else
- if (ch == '$' && (!qc || qc == '"')
- && (*tok->dptr == '{' || isalpha((unsigned char)*tok->dptr)))
- {
- char *env = NULL, *var = NULL;
-
- if (*tok->dptr == '{') {
- tok->dptr++;
- if ((pc = strchr (tok->dptr, '}'))) {
- var = str_substrdup (tok->dptr, pc);
- tok->dptr = pc + 1;
- }
- } else {
- for (pc = tok->dptr; isalnum((unsigned char)*pc) || *pc == '_';
- pc++);
- var = p_dupstr(tok->dptr, pc - tok->dptr);
- tok->dptr = pc;
- }
- if (var) {
- char tmp[STRING];
- if ((env = getenv (var))
- || (mutt_option_value (var, tmp, sizeof (tmp)) && (env = tmp)))
- {
- mutt_buffer_addstr (dest, env);
- }
- }
- p_delete(&var);
- } else {
- mutt_buffer_addch(dest, ch);
- }
- }
- mutt_buffer_addch(dest, 0); /* terminate the string */
- SKIPWS(tok->dptr);
- return 0;
-}
-
projects / apps / madmutt.git / blobdiff