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Diffstat (limited to 'src/filemanager/ext.c')
| -rw-r--r-- | src/filemanager/ext.c | 1084 |
1 files changed, 1084 insertions, 0 deletions
diff --git a/src/filemanager/ext.c b/src/filemanager/ext.c new file mode 100644 index 0000000..3c54747 --- /dev/null +++ b/src/filemanager/ext.c @@ -0,0 +1,1084 @@ +/* + Extension dependent execution. + + Copyright (C) 1994-2022 + Free Software Foundation, Inc. + + Written by: + Jakub Jelinek, 1995 + Miguel de Icaza, 1994 + Slava Zanko <slavazanko@gmail.com>, 2013 + + This file is part of the Midnight Commander. + + The Midnight Commander 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. + + The Midnight Commander 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, see <http://www.gnu.org/licenses/>. + */ + +/** \file ext.c + * \brief Source: extension dependent execution + */ + +#include <config.h> + +#include <ctype.h> +#include <errno.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#include "lib/global.h" +#include "lib/tty/tty.h" +#include "lib/search.h" +#include "lib/fileloc.h" +#include "lib/mcconfig.h" +#include "lib/util.h" +#include "lib/vfs/vfs.h" +#include "lib/widget.h" +#ifdef HAVE_CHARSET +#include "lib/charsets.h" /* get_codepage_index */ +#endif + +#ifdef USE_FILE_CMD +#include "src/setup.h" /* use_file_to_check_type */ +#endif +#include "src/execute.h" +#include "src/history.h" +#include "src/usermenu.h" + +#include "src/consaver/cons.saver.h" +#include "src/viewer/mcviewer.h" + +#ifdef HAVE_CHARSET +#include "src/selcodepage.h" /* do_set_codepage */ +#endif + +#include "filemanager.h" /* current_panel */ +#include "panel.h" /* panel_cd */ + +#include "ext.h" + +/*** global variables ****************************************************************************/ + +/*** file scope macro definitions ****************************************************************/ + +#ifdef USE_FILE_CMD +#ifdef FILE_B +#define FILE_CMD "file -z " FILE_B FILE_S FILE_L +#else +#define FILE_CMD "file -z " FILE_S FILE_L +#endif +#endif + +/*** file scope type declarations ****************************************************************/ + +typedef char *(*quote_func_t) (const char *name, gboolean quote_percent); + +/*** file scope variables ************************************************************************/ + +/* This variable points to a copy of the mc.ext file in memory + * With this we avoid loading/parsing the file each time we + * need it + */ +static mc_config_t *ext_ini = NULL; +static gchar **ext_ini_groups = NULL; +static vfs_path_t *localfilecopy_vpath = NULL; +static char buffer[BUF_1K]; + +static char *pbuffer = NULL; +static time_t localmtime = 0; +static quote_func_t quote_func = name_quote; +static gboolean run_view = FALSE; +static gboolean is_cd = FALSE; +static gboolean written_nonspace = FALSE; +static gboolean do_local_copy = FALSE; + +static const char *descr_group = "mc.ext.ini"; +static const char *default_group = "Default"; + +/* --------------------------------------------------------------------------------------------- */ +/*** file scope functions ************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +static void +exec_cleanup_script (vfs_path_t * script_vpath) +{ + if (script_vpath != NULL) + { + (void) mc_unlink (script_vpath); + vfs_path_free (script_vpath, TRUE); + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +exec_cleanup_file_name (const vfs_path_t * filename_vpath, gboolean has_changed) +{ + if (localfilecopy_vpath == NULL) + return; + + if (has_changed) + { + struct stat mystat; + + mc_stat (localfilecopy_vpath, &mystat); + has_changed = localmtime != mystat.st_mtime; + } + mc_ungetlocalcopy (filename_vpath, localfilecopy_vpath, has_changed); + vfs_path_free (localfilecopy_vpath, TRUE); + localfilecopy_vpath = NULL; +} + +/* --------------------------------------------------------------------------------------------- */ + +static char * +exec_get_file_name (const vfs_path_t * filename_vpath) +{ + if (!do_local_copy) + return quote_func (vfs_path_get_last_path_str (filename_vpath), FALSE); + + if (localfilecopy_vpath == NULL) + { + struct stat mystat; + localfilecopy_vpath = mc_getlocalcopy (filename_vpath); + if (localfilecopy_vpath == NULL) + return NULL; + + mc_stat (localfilecopy_vpath, &mystat); + localmtime = mystat.st_mtime; + } + + return quote_func (vfs_path_get_last_path_str (localfilecopy_vpath), FALSE); +} + +/* --------------------------------------------------------------------------------------------- */ + +static char * +exec_expand_format (char symbol, gboolean is_result_quoted) +{ + char *text; + + text = expand_format (NULL, symbol, TRUE); + if (is_result_quoted && text != NULL) + { + char *quoted_text; + + quoted_text = g_strdup_printf ("\"%s\"", text); + g_free (text); + text = quoted_text; + } + return text; +} + +/* --------------------------------------------------------------------------------------------- */ + +static GString * +exec_get_export_variables (const vfs_path_t * filename_vpath) +{ + char *text; + GString *export_vars_string; + size_t i; + + /* *INDENT-OFF* */ + struct + { + const char symbol; + const char *name; + const gboolean is_result_quoted; + } export_variables[] = { + {'p', "MC_EXT_BASENAME", FALSE}, + {'d', "MC_EXT_CURRENTDIR", FALSE}, + {'s', "MC_EXT_SELECTED", TRUE}, + {'t', "MC_EXT_ONLYTAGGED", TRUE}, + {'\0', NULL, FALSE} + }; + /* *INDENT-ON* */ + + text = exec_get_file_name (filename_vpath); + if (text == NULL) + return NULL; + + export_vars_string = g_string_new ("MC_EXT_FILENAME="); + g_string_append_printf (export_vars_string, "%s\nexport MC_EXT_FILENAME\n", text); + g_free (text); + + for (i = 0; export_variables[i].name != NULL; i++) + { + text = + exec_expand_format (export_variables[i].symbol, export_variables[i].is_result_quoted); + if (text != NULL) + { + g_string_append_printf (export_vars_string, + "%s=%s\nexport %s\n", export_variables[i].name, text, + export_variables[i].name); + g_free (text); + } + } + + return export_vars_string; +} + +/* --------------------------------------------------------------------------------------------- */ + +static GString * +exec_make_shell_string (const char *lc_data, const vfs_path_t * filename_vpath) +{ + GString *shell_string; + char lc_prompt[80] = "\0"; + gboolean parameter_found = FALSE; + gboolean expand_prefix_found = FALSE; + + shell_string = g_string_new (""); + + for (; *lc_data != '\0' && *lc_data != '\n'; lc_data++) + { + if (parameter_found) + { + if (*lc_data == '}') + { + char *parameter; + + parameter_found = FALSE; + parameter = + input_dialog (_("Parameter"), lc_prompt, MC_HISTORY_EXT_PARAMETER, "", + INPUT_COMPLETE_NONE); + if (parameter == NULL) + { + /* User canceled */ + g_string_free (shell_string, TRUE); + exec_cleanup_file_name (filename_vpath, FALSE); + return NULL; + } + g_string_append (shell_string, parameter); + written_nonspace = TRUE; + g_free (parameter); + } + else + { + size_t len = strlen (lc_prompt); + + if (len < sizeof (lc_prompt) - 1) + { + lc_prompt[len] = *lc_data; + lc_prompt[len + 1] = '\0'; + } + } + } + else if (expand_prefix_found) + { + expand_prefix_found = FALSE; + if (*lc_data == '{') + parameter_found = TRUE; + else + { + int i; + + i = check_format_view (lc_data); + if (i != 0) + { + lc_data += i - 1; + run_view = TRUE; + } + else + { + i = check_format_cd (lc_data); + if (i > 0) + { + is_cd = TRUE; + quote_func = fake_name_quote; + do_local_copy = FALSE; + pbuffer = buffer; + lc_data += i - 1; + } + else + { + char *v; + + i = check_format_var (lc_data, &v); + if (i > 0) + { + g_string_append (shell_string, v); + g_free (v); + lc_data += i; + } + else + { + char *text; + + if (*lc_data != 'f') + text = expand_format (NULL, *lc_data, !is_cd); + else + { + text = exec_get_file_name (filename_vpath); + if (text == NULL) + { + g_string_free (shell_string, TRUE); + return NULL; + } + } + + if (!is_cd) + g_string_append (shell_string, text); + else + { + strcpy (pbuffer, text); + pbuffer = strchr (pbuffer, 0); + } + + g_free (text); + written_nonspace = TRUE; + } + } + } + } + } + else if (*lc_data == '%') + expand_prefix_found = TRUE; + else + { + if (!whitespace (*lc_data)) + written_nonspace = TRUE; + if (is_cd) + *(pbuffer++) = *lc_data; + else + g_string_append_c (shell_string, *lc_data); + } + } /* for */ + + return shell_string; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +exec_extension_view (void *target, char *cmd, const vfs_path_t * filename_vpath, int start_line) +{ + mcview_mode_flags_t def_flags = { + /* *INDENT-OFF* */ + .wrap = FALSE, + .hex = mcview_global_flags.hex, + .magic = FALSE, + .nroff = mcview_global_flags.nroff + /* *INDENT-ON* */ + }; + + mcview_mode_flags_t changed_flags; + + mcview_clear_mode_flags (&changed_flags); + mcview_altered_flags.hex = FALSE; + mcview_altered_flags.nroff = FALSE; + if (def_flags.hex != mcview_global_flags.hex) + changed_flags.hex = TRUE; + if (def_flags.nroff != mcview_global_flags.nroff) + changed_flags.nroff = TRUE; + + if (target == NULL) + mcview_viewer (cmd, filename_vpath, start_line, 0, 0); + else + mcview_load ((WView *) target, cmd, vfs_path_as_str (filename_vpath), start_line, 0, 0); + + if (changed_flags.hex && !mcview_altered_flags.hex) + mcview_global_flags.hex = def_flags.hex; + if (changed_flags.nroff && !mcview_altered_flags.nroff) + mcview_global_flags.nroff = def_flags.nroff; + + dialog_switch_process_pending (); +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +exec_extension_cd (WPanel * panel) +{ + char *q; + vfs_path_t *p_vpath; + + *pbuffer = '\0'; + pbuffer = buffer; + /* Search last non-space character. Start search at the end in order + not to short filenames containing spaces. */ + q = pbuffer + strlen (pbuffer) - 1; + while (q >= pbuffer && whitespace (*q)) + q--; + q[1] = 0; + + p_vpath = vfs_path_from_str_flags (pbuffer, VPF_NO_CANON); + panel_cd (panel, p_vpath, cd_parse_command); + vfs_path_free (p_vpath, TRUE); +} + + +/* --------------------------------------------------------------------------------------------- */ + +static vfs_path_t * +exec_extension (WPanel * panel, void *target, const vfs_path_t * filename_vpath, + const char *lc_data, int start_line) +{ + GString *shell_string, *export_variables; + vfs_path_t *script_vpath = NULL; + int cmd_file_fd; + FILE *cmd_file; + char *cmd = NULL; + + pbuffer = NULL; + localmtime = 0; + quote_func = name_quote; + run_view = FALSE; + is_cd = FALSE; + written_nonspace = FALSE; + + /* Avoid making a local copy if we are doing a cd */ + do_local_copy = !vfs_file_is_local (filename_vpath); + + shell_string = exec_make_shell_string (lc_data, filename_vpath); + if (shell_string == NULL) + goto ret; + + if (is_cd) + { + exec_extension_cd (panel); + g_string_free (shell_string, TRUE); + goto ret; + } + + /* + * All commands should be run in /bin/sh regardless of user shell. + * To do that, create temporary shell script and run it. + * Sometimes it's not needed (e.g. for %cd and %view commands), + * but it's easier to create it anyway. + */ + cmd_file_fd = mc_mkstemps (&script_vpath, "mcext", SCRIPT_SUFFIX); + + if (cmd_file_fd == -1) + { + message (D_ERROR, MSG_ERROR, + _("Cannot create temporary command file\n%s"), unix_error_string (errno)); + g_string_free (shell_string, TRUE); + goto ret; + } + + cmd_file = fdopen (cmd_file_fd, "w"); + fputs ("#! /bin/sh\n\n", cmd_file); + + export_variables = exec_get_export_variables (filename_vpath); + if (export_variables != NULL) + { + fputs (export_variables->str, cmd_file); + g_string_free (export_variables, TRUE); + } + + fputs (shell_string->str, cmd_file); + g_string_free (shell_string, TRUE); + + /* + * Make the script remove itself when it finishes. + * Don't do it for the viewer - it may need to rerun the script, + * so we clean up after calling view(). + */ + if (!run_view) + fprintf (cmd_file, "\n/bin/rm -f %s\n", vfs_path_as_str (script_vpath)); + + fclose (cmd_file); + + if ((run_view && !written_nonspace) || is_cd) + { + exec_cleanup_script (script_vpath); + script_vpath = NULL; + } + else + { + /* Set executable flag on the command file ... */ + mc_chmod (script_vpath, S_IRWXU); + /* ... but don't rely on it - run /bin/sh explicitly */ + cmd = g_strconcat ("/bin/sh ", vfs_path_as_str (script_vpath), (char *) NULL); + } + + if (run_view) + { + /* If we've written whitespace only, then just load filename into view */ + if (!written_nonspace) + exec_extension_view (target, NULL, filename_vpath, start_line); + else + exec_extension_view (target, cmd, filename_vpath, start_line); + } + else + { + shell_execute (cmd, EXECUTE_INTERNAL); + if (mc_global.tty.console_flag != '\0') + { + handle_console (CONSOLE_SAVE); + if (output_lines != 0 && mc_global.keybar_visible) + { + unsigned char end_line; + + end_line = LINES - (mc_global.keybar_visible ? 1 : 0) - 1; + show_console_contents (output_start_y, end_line - output_lines, end_line); + } + } + } + + g_free (cmd); + + exec_cleanup_file_name (filename_vpath, TRUE); + ret: + return script_vpath; +} + +/* --------------------------------------------------------------------------------------------- */ +/** + * Run cmd_file with args, put result into buf. + * If error, put '\0' into buf[0] + * Return 1 if the data is valid, 0 otherwise, -1 for fatal errors. + * + * NOTES: buf is null-terminated string. + */ + +#ifdef USE_FILE_CMD +static int +get_popen_information (const char *cmd_file, const char *args, char *buf, int buflen) +{ + gboolean read_bytes = FALSE; + char *command; + FILE *f; + + command = g_strconcat (cmd_file, args, " 2>/dev/null", (char *) NULL); + f = popen (command, "r"); + g_free (command); + + if (f != NULL) + { +#ifdef __QNXNTO__ + if (setvbuf (f, NULL, _IOFBF, 0) != 0) + { + (void) pclose (f); + return -1; + } +#endif + read_bytes = (fgets (buf, buflen, f) != NULL); + if (!read_bytes) + buf[0] = '\0'; /* Paranoid termination */ + pclose (f); + } + else + { + buf[0] = '\0'; /* Paranoid termination */ + return -1; + } + + buf[buflen - 1] = '\0'; + + return read_bytes ? 1 : 0; +} + +/* --------------------------------------------------------------------------------------------- */ +/** + * Run the "file" command on the local file. + * Return 1 if the data is valid, 0 otherwise, -1 for fatal errors. + */ + +static int +get_file_type_local (const vfs_path_t * filename_vpath, char *buf, int buflen) +{ + char *tmp; + int ret; + + tmp = name_quote (vfs_path_get_last_path_str (filename_vpath), FALSE); + ret = get_popen_information (FILE_CMD, tmp, buf, buflen); + g_free (tmp); + + return ret; +} + +/* --------------------------------------------------------------------------------------------- */ +/** + * Run the "enca" command on the local file. + * Return 1 if the data is valid, 0 otherwise, -1 for fatal errors. + */ + +#ifdef HAVE_CHARSET +static int +get_file_encoding_local (const vfs_path_t * filename_vpath, char *buf, int buflen) +{ + char *tmp, *lang, *args; + int ret; + + tmp = name_quote (vfs_path_get_last_path_str (filename_vpath), FALSE); + lang = name_quote (autodetect_codeset, FALSE); + args = g_strconcat (" -L", lang, " -i ", tmp, (char *) NULL); + + ret = get_popen_information ("enca", args, buf, buflen); + + g_free (args); + g_free (lang); + g_free (tmp); + + return ret; +} +#endif /* HAVE_CHARSET */ + +/* --------------------------------------------------------------------------------------------- */ +/** + * Invoke the "file" command on the file and match its output against PTR. + * have_type is a flag that is set if we already have tried to determine + * the type of that file. + * Return TRUE for match, FALSE otherwise. + */ + +static gboolean +regex_check_type (const vfs_path_t * filename_vpath, const char *ptr, gboolean case_insense, + gboolean * have_type, GError ** mcerror) +{ + gboolean found = FALSE; + + /* Following variables are valid if *have_type is TRUE */ + static char content_string[2048]; + static size_t content_shift = 0; + static int got_data = 0; + + mc_return_val_if_error (mcerror, FALSE); + + if (!*have_type) + { + vfs_path_t *localfile_vpath; + +#ifdef HAVE_CHARSET + static char encoding_id[21]; /* CSISO51INISCYRILLIC -- 20 */ + int got_encoding_data; +#endif /* HAVE_CHARSET */ + + /* Don't repeate even unsuccessful checks */ + *have_type = TRUE; + + localfile_vpath = mc_getlocalcopy (filename_vpath); + if (localfile_vpath == NULL) + { + mc_propagate_error (mcerror, 0, _("Cannot fetch a local copy of %s"), + vfs_path_as_str (filename_vpath)); + return FALSE; + } + + +#ifdef HAVE_CHARSET + got_encoding_data = is_autodetect_codeset_enabled + ? get_file_encoding_local (localfile_vpath, encoding_id, sizeof (encoding_id)) : 0; + + if (got_encoding_data > 0) + { + char *pp; + int cp_id; + + pp = strchr (encoding_id, '\n'); + if (pp != NULL) + *pp = '\0'; + + cp_id = get_codepage_index (encoding_id); + if (cp_id == -1) + cp_id = default_source_codepage; + + do_set_codepage (cp_id); + } +#endif /* HAVE_CHARSET */ + + got_data = get_file_type_local (localfile_vpath, content_string, sizeof (content_string)); + + mc_ungetlocalcopy (filename_vpath, localfile_vpath, FALSE); + + if (got_data > 0) + { + char *pp; + + pp = strchr (content_string, '\n'); + if (pp != NULL) + *pp = '\0'; + +#ifndef FILE_B + { + const char *real_name; /* name used with "file" */ + size_t real_len; + + real_name = vfs_path_get_last_path_str (localfile_vpath); + real_len = strlen (real_name); + + if (strncmp (content_string, real_name, real_len) == 0) + { + /* Skip "real_name: " */ + content_shift = real_len; + + /* Solaris' file prints tab(s) after ':' */ + if (content_string[content_shift] == ':') + for (content_shift++; whitespace (content_string[content_shift]); + content_shift++) + ; + } + } +#endif /* FILE_B */ + } + else + { + /* No data */ + content_string[0] = '\0'; + } + vfs_path_free (localfile_vpath, TRUE); + } + + if (got_data == -1) + { + mc_propagate_error (mcerror, 0, "%s", _("Pipe failed")); + return FALSE; + } + + if (content_string[0] != '\0') + { + mc_search_t *search; + + search = mc_search_new (ptr, DEFAULT_CHARSET); + if (search != NULL) + { + search->search_type = MC_SEARCH_T_REGEX; + search->is_case_sensitive = !case_insense; + found = mc_search_run (search, content_string + content_shift, 0, -1, NULL); + mc_search_free (search); + } + else + { + mc_propagate_error (mcerror, 0, "%s", _("Regular expression error")); + } + } + + return found; +} +#endif /* USE_FILE_CMD */ + +/* --------------------------------------------------------------------------------------------- */ + +static void +check_old_extension_file (void) +{ + char *extension_old_file; + + extension_old_file = mc_config_get_full_path (MC_EXT_OLD_FILE); + if (exist_file (extension_old_file)) + message (D_ERROR, _("Warning"), + _("You have an outdated %s file.\nMidnight Commander now uses %s file.\n" + "Please copy your modifications of the old file to the new one."), + extension_old_file, MC_EXT_FILE); + g_free (extension_old_file); +} + +/* --------------------------------------------------------------------------------------------- */ + +static gboolean +load_extension_file (void) +{ + char *extension_file; + gboolean mc_user_ext = TRUE; + gboolean home_error = FALSE; + + extension_file = mc_config_get_full_path (MC_EXT_FILE); + if (!exist_file (extension_file)) + { + g_free (extension_file); + + check_old_extension_file (); + + check_stock_mc_ext: + extension_file = mc_build_filename (mc_global.sysconfig_dir, MC_EXT_FILE, (char *) NULL); + if (!exist_file (extension_file)) + { + g_free (extension_file); + extension_file = + mc_build_filename (mc_global.share_data_dir, MC_EXT_FILE, (char *) NULL); + if (!exist_file (extension_file)) + MC_PTR_FREE (extension_file); + } + mc_user_ext = FALSE; + } + + if (extension_file != NULL) + { + ext_ini = mc_config_init (extension_file, TRUE); + g_free (extension_file); + } + if (ext_ini == NULL) + return FALSE; + + /* Check version */ + if (!mc_config_has_group (ext_ini, descr_group)) + { + flush_extension_file (); + + if (!mc_user_ext) + { + char *title; + + title = g_strdup_printf (_(" %s%s file error"), mc_global.sysconfig_dir, MC_EXT_FILE); + message (D_ERROR, title, + _("The format of the %s%s file has changed with version 4.0. " + "It seems that the installation has failed. Please fetch a fresh copy " + "from the Midnight Commander package."), + mc_global.sysconfig_dir, MC_EXT_FILE); + g_free (title); + return FALSE; + } + + home_error = TRUE; + goto check_stock_mc_ext; + } + + if (home_error) + { + char *title; + + extension_file = mc_config_get_full_path (MC_EXT_FILE); + title = g_strdup_printf (_("%s file error"), extension_file); + message (D_ERROR, title, + _("The format of the %s file has changed with version 4.0. You may either want " + "to copy it from %s%s or use that file as an example of how to write it."), + extension_file, mc_global.sysconfig_dir, MC_EXT_FILE); + g_free (extension_file); + g_free (title); + } + + return TRUE; +} + +/* --------------------------------------------------------------------------------------------- */ +/*** public functions ****************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +void +flush_extension_file (void) +{ + g_strfreev (ext_ini_groups); + ext_ini_groups = NULL; + + mc_config_deinit (ext_ini); + ext_ini = NULL; +} + +/* --------------------------------------------------------------------------------------------- */ +/** + * The second argument is action, i.e. Open, View or Edit + * Use target object to open file in. + * + * This function returns: + * + * -1 for a failure or user interrupt + * 0 if no command was run + * 1 if some command was run + * + * If action == "View" then a parameter is checked in the form of "View:%d", + * if the value for %d exists, then the viewer is started up at that line number. + */ + +int +regex_command_for (void *target, const vfs_path_t * filename_vpath, const char *action, + vfs_path_t ** script_vpath) +{ + const char *filename; + size_t filename_len; + gboolean found = FALSE; + gboolean error_flag = FALSE; + int ret = 0; + struct stat mystat; + int view_at_line_number = 0; +#ifdef USE_FILE_CMD + gboolean have_type = FALSE; /* Flag used by regex_check_type() */ +#endif + char **group_iter; + char *include_group = NULL; + const char *current_group; + + if (filename_vpath == NULL) + return 0; + + if (script_vpath != NULL) + *script_vpath = NULL; + + /* Check for the special View:%d parameter */ + if (strncmp (action, "View:", 5) == 0) + { + view_at_line_number = atoi (action + 5); + action = "View"; + } + + if (ext_ini == NULL && !load_extension_file ()) + return 0; + + mc_stat (filename_vpath, &mystat); + + filename = vfs_path_get_last_path_str (filename_vpath); + filename = x_basename (filename); + filename_len = strlen (filename); + + if (ext_ini_groups == NULL) + ext_ini_groups = mc_config_get_groups (ext_ini, NULL); + + /* find matched type, regex or shell pattern */ + for (group_iter = ext_ini_groups; *group_iter != NULL && !found; group_iter++) + { + enum + { + TYPE_UNUSED, + TYPE_NOT_FOUND, + TYPE_FOUND + } type_state = TYPE_UNUSED; + + const gchar *g = *group_iter; + gchar *pattern; + gboolean ignore_case; + + if (strcmp (g, descr_group) == 0 || strncmp (g, "Include/", 8) == 0 + || strcmp (g, default_group) == 0) + continue; + + /* The "Directory" parameter is a special case: if it's present then + "Type", "Regex", and "Shell" parameters are ignored */ + pattern = mc_config_get_string_raw (ext_ini, g, "Directory", NULL); + if (pattern != NULL) + { + found = S_ISDIR (mystat.st_mode) + && mc_search (pattern, DEFAULT_CHARSET, vfs_path_as_str (filename_vpath), + MC_SEARCH_T_REGEX); + g_free (pattern); + + continue; /* stop if found */ + } + +#ifdef USE_FILE_CMD + if (use_file_to_check_type) + { + pattern = mc_config_get_string_raw (ext_ini, g, "Type", NULL); + if (pattern != NULL) + { + GError *mcerror = NULL; + + ignore_case = mc_config_get_bool (ext_ini, g, "TypeIgnoreCase", FALSE); + type_state = + regex_check_type (filename_vpath, pattern, ignore_case, &have_type, &mcerror) + ? TYPE_FOUND : TYPE_NOT_FOUND; + g_free (pattern); + + if (mc_error_message (&mcerror, NULL)) + error_flag = TRUE; /* leave it if file cannot be opened */ + + if (type_state == TYPE_NOT_FOUND) + continue; + } + } +#endif /* USE_FILE_CMD */ + + pattern = mc_config_get_string_raw (ext_ini, g, "Regex", NULL); + if (pattern != NULL) + { + mc_search_t *search; + + ignore_case = mc_config_get_bool (ext_ini, g, "RegexIgnoreCase", FALSE); + search = mc_search_new (pattern, DEFAULT_CHARSET); + g_free (pattern); + + if (search != NULL) + { + search->search_type = MC_SEARCH_T_REGEX; + search->is_case_sensitive = !ignore_case; + found = mc_search_run (search, filename, 0, filename_len, NULL); + mc_search_free (search); + } + + found = found && (type_state == TYPE_UNUSED || type_state == TYPE_FOUND); + } + else + { + pattern = mc_config_get_string_raw (ext_ini, g, "Shell", NULL); + if (pattern != NULL) + { + int (*cmp_func) (const char *s1, const char *s2, size_t n); + size_t pattern_len; + + ignore_case = mc_config_get_bool (ext_ini, g, "ShellIgnoreCase", FALSE); + cmp_func = ignore_case ? strncasecmp : strncmp; + pattern_len = strlen (pattern); + + if (*pattern == '.' && filename_len >= pattern_len) + found = + cmp_func (pattern, filename + filename_len - pattern_len, pattern_len) == 0; + else + found = pattern_len == filename_len + && cmp_func (pattern, filename, filename_len) == 0; + + g_free (pattern); + + found = found && (type_state == TYPE_UNUSED || type_state == TYPE_FOUND); + } + else + found = type_state == TYPE_FOUND; + } + } + + /* group is found, process actions */ + if (found) + { + char *include_value; + + group_iter--; + + /* "Include" parameter has the highest priority over any actions */ + include_value = mc_config_get_string_raw (ext_ini, *group_iter, "Include", NULL); + if (include_value != NULL) + { + /* find "Include/include_value" group */ + include_group = g_strconcat ("Include/", include_value, (char *) NULL); + g_free (include_value); + found = mc_config_has_group (ext_ini, include_group); + } + } + + if (found) + current_group = include_group != NULL ? include_group : *group_iter; + else + { + current_group = default_group; + found = mc_config_has_group (ext_ini, current_group); + } + + if (found && !error_flag) + { + gchar *action_value; + + action_value = mc_config_get_string_raw (ext_ini, current_group, action, NULL); + /* Empty commands just stop searching through, they don't do anything */ + if (action_value != NULL && *action_value != '\0') + { + vfs_path_t *sv; + + sv = exec_extension (current_panel, target, filename_vpath, action_value, + view_at_line_number); + if (script_vpath != NULL) + *script_vpath = sv; + else + exec_cleanup_script (sv); + + ret = 1; + } + + g_free (action_value); + } + + g_free (include_group); + + return (error_flag ? -1 : ret); +} + +/* --------------------------------------------------------------------------------------------- */ |