diff options
author | Øyvind Harboe <oyvind.harboe@zylin.com> | 2010-02-21 21:27:23 +0100 |
---|---|---|
committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2010-02-21 21:27:23 +0100 |
commit | 4aa0c56d48fe3e4f04ed33d1b5786398db56d43d (patch) | |
tree | 3b4f6b557bb133bae08ba72c4099b1916477b091 | |
parent | d93957f71062edb53b34e3033b512e942de458c4 (diff) | |
download | jimtcl-4aa0c56d48fe3e4f04ed33d1b5786398db56d43d.zip jimtcl-4aa0c56d48fe3e4f04ed33d1b5786398db56d43d.tar.gz jimtcl-4aa0c56d48fe3e4f04ed33d1b5786398db56d43d.tar.bz2 |
dos2unix: convert to unix line endings
To ease rebasing
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
-rw-r--r-- | jim-array-1.0.tcl | 208 | ||||
-rw-r--r-- | jim-glob-1.0.tcl | 266 | ||||
-rw-r--r-- | jim-readdir.c | 240 | ||||
-rw-r--r-- | jim-regexp.c | 964 |
4 files changed, 839 insertions, 839 deletions
diff --git a/jim-array-1.0.tcl b/jim-array-1.0.tcl index 38cda0f..2c25b23 100644 --- a/jim-array-1.0.tcl +++ b/jim-array-1.0.tcl @@ -1,104 +1,104 @@ -# (c) 2008 Steve Bennett <steveb@workware.net.au>
-#
-# Implements a Tcl-compatible array command based on dict
-#
-# The FreeBSD license
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following
-# disclaimer in the documentation and/or other materials
-# provided with the distribution.
-#
-# THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
-# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-# JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
-# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# The views and conclusions contained in the software and documentation
-# are those of the authors and should not be interpreted as representing
-# official policies, either expressed or implied, of the Jim Tcl Project.
-
-package provide array 1.0
-
-proc array {subcmd arrayname args} {
- # $name is the name of the array in the caller's context
- upvar $arrayname name
-
- if {$subcmd eq "exists"} {
- return [info exists name]
- }
-
- if {![info exists name]} {
- set name [dict create]
- }
-
- switch $subcmd {
- set {
- # The argument should be a list, but we also
- # support name value pairs
- if {[llength $args] == 1} {
- set args [lindex $args 0]
- }
- foreach {key value} $args {
- dict set name $key $value
- }
- return $name
- }
- size {
- return [/ [llength $name] 2]
- }
- }
-
- # The remaining options take a pattern
- if {[llength $args] > 0} {
- set pattern [lindex $args 0]
- } else {
- set pattern *
- }
-
- switch $subcmd {
- names {
- set keys {}
- foreach {key value} $name {
- if {[string match $pattern $key]} {
- lappend keys $key
- }
- }
- return $keys
- }
- get {
- set list {}
- foreach {key value} $name {
- if {[string match $pattern $key]} {
- lappend list $key $value
- }
- }
- return $list
- }
- unset {
- foreach {key value} $name {
- if {[string match $pattern $key]} {
- dict unset name $key
- }
- }
- return
- }
- }
-
- # Tcl-compatible error message
- error "bad option \"$subcmd\": must be exists, get, names, set, size, or unset"
-}
+# (c) 2008 Steve Bennett <steveb@workware.net.au> +# +# Implements a Tcl-compatible array command based on dict +# +# The FreeBSD license +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY +# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, +# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# The views and conclusions contained in the software and documentation +# are those of the authors and should not be interpreted as representing +# official policies, either expressed or implied, of the Jim Tcl Project. + +package provide array 1.0 + +proc array {subcmd arrayname args} { + # $name is the name of the array in the caller's context + upvar $arrayname name + + if {$subcmd eq "exists"} { + return [info exists name] + } + + if {![info exists name]} { + set name [dict create] + } + + switch $subcmd { + set { + # The argument should be a list, but we also + # support name value pairs + if {[llength $args] == 1} { + set args [lindex $args 0] + } + foreach {key value} $args { + dict set name $key $value + } + return $name + } + size { + return [/ [llength $name] 2] + } + } + + # The remaining options take a pattern + if {[llength $args] > 0} { + set pattern [lindex $args 0] + } else { + set pattern * + } + + switch $subcmd { + names { + set keys {} + foreach {key value} $name { + if {[string match $pattern $key]} { + lappend keys $key + } + } + return $keys + } + get { + set list {} + foreach {key value} $name { + if {[string match $pattern $key]} { + lappend list $key $value + } + } + return $list + } + unset { + foreach {key value} $name { + if {[string match $pattern $key]} { + dict unset name $key + } + } + return + } + } + + # Tcl-compatible error message + error "bad option \"$subcmd\": must be exists, get, names, set, size, or unset" +} diff --git a/jim-glob-1.0.tcl b/jim-glob-1.0.tcl index 9529df0..853c464 100644 --- a/jim-glob-1.0.tcl +++ b/jim-glob-1.0.tcl @@ -1,133 +1,133 @@ -# (c) 2008 Steve Bennett <steveb@workware.net.au>
-#
-# Implements a Tcl-compatible glob command based on readdir
-#
-# The FreeBSD license
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following
-# disclaimer in the documentation and/or other materials
-# provided with the distribution.
-#
-# THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
-# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-# JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
-# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# The views and conclusions contained in the software and documentation
-# are those of the authors and should not be interpreted as representing
-# official policies, either expressed or implied, of the Jim Tcl Project.
-
-package provide glob 1.0
-package require readdir 1.0
-
-# If $dir is a directory, return a list of all entries
-# it contains which match $pattern
-#
-proc _glob_readdir_pattern {dir pattern} {
- set result {}
-
- # readdir doesn't return . or .., so simulate it here
- if {$pattern eq "." || $pattern eq ".."} {
- return $pattern
- }
- # Use -nocomplain here to return nothing if $dir is not a directory
- foreach name [readdir -nocomplain $dir] {
- if {[string match $pattern $name]} {
- lappend result $name
- }
- }
-
- return $result
-}
-
-# glob entries in directory $dir and pattern $rem
-#
-proc _glob_do {dir rem} {
- # Take one level from rem
- # Avoid regexp here
- set i [string first / $rem]
- if {$i < 0} {
- set pattern $rem
- set rempattern ""
- } else {
- set j $i
- incr j
- incr i -1
- set pattern [string range $rem 0 $i]
- set rempattern [string range $rem $j end]
- }
-
- # Determine the appropriate separator and globbing dir
- set sep /
- set globdir $dir
- if {[string match "*/" $dir]} {
- set sep ""
- } elseif {$dir eq ""} {
- set globdir .
- set sep ""
- }
-
- set result {}
-
- # Use readdir and select all files which match the pattern
- foreach f [_glob_readdir_pattern $globdir $pattern] {
- if {$rempattern eq ""} {
- # This is a terminal entry, so add it
- lappend result $dir$sep$f
- } else {
- # Expany any entries at this level and add them
- lappend result {expand}[_glob_do $dir$sep$f $rempattern]
- }
- }
- return $result
-}
-
-# Implements the Tcl glob command
-#
-# Usage: glob ?-nocomplain? pattern ...
-#
-# Patterns use string match pattern matching for each
-# directory level.
-#
-# e.g. glob te[a-e]*/*.tcl
-#
-proc glob {args} {
- set nocomplain 0
-
- if {[lindex $args 0] eq "-nocomplain"} {
- set nocomplain 1
- set args [lrange $args 1 end]
- }
-
- set result {}
- foreach pattern $args {
- if {$pattern eq "/"} {
- lappend result /
- } elseif {[string match "/*" $pattern]} {
- lappend result {expand}[_glob_do / [string range $pattern 1 end]]
- } else {
- lappend result {expand}[_glob_do "" $pattern]
- }
- }
-
- if {$nocomplain == 0 && [llength $result] == 0} {
- error "no files matched glob patterns"
- }
-
- return $result
-}
+# (c) 2008 Steve Bennett <steveb@workware.net.au> +# +# Implements a Tcl-compatible glob command based on readdir +# +# The FreeBSD license +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials +# provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY +# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, +# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# The views and conclusions contained in the software and documentation +# are those of the authors and should not be interpreted as representing +# official policies, either expressed or implied, of the Jim Tcl Project. + +package provide glob 1.0 +package require readdir 1.0 + +# If $dir is a directory, return a list of all entries +# it contains which match $pattern +# +proc _glob_readdir_pattern {dir pattern} { + set result {} + + # readdir doesn't return . or .., so simulate it here + if {$pattern eq "." || $pattern eq ".."} { + return $pattern + } + # Use -nocomplain here to return nothing if $dir is not a directory + foreach name [readdir -nocomplain $dir] { + if {[string match $pattern $name]} { + lappend result $name + } + } + + return $result +} + +# glob entries in directory $dir and pattern $rem +# +proc _glob_do {dir rem} { + # Take one level from rem + # Avoid regexp here + set i [string first / $rem] + if {$i < 0} { + set pattern $rem + set rempattern "" + } else { + set j $i + incr j + incr i -1 + set pattern [string range $rem 0 $i] + set rempattern [string range $rem $j end] + } + + # Determine the appropriate separator and globbing dir + set sep / + set globdir $dir + if {[string match "*/" $dir]} { + set sep "" + } elseif {$dir eq ""} { + set globdir . + set sep "" + } + + set result {} + + # Use readdir and select all files which match the pattern + foreach f [_glob_readdir_pattern $globdir $pattern] { + if {$rempattern eq ""} { + # This is a terminal entry, so add it + lappend result $dir$sep$f + } else { + # Expany any entries at this level and add them + lappend result {expand}[_glob_do $dir$sep$f $rempattern] + } + } + return $result +} + +# Implements the Tcl glob command +# +# Usage: glob ?-nocomplain? pattern ... +# +# Patterns use string match pattern matching for each +# directory level. +# +# e.g. glob te[a-e]*/*.tcl +# +proc glob {args} { + set nocomplain 0 + + if {[lindex $args 0] eq "-nocomplain"} { + set nocomplain 1 + set args [lrange $args 1 end] + } + + set result {} + foreach pattern $args { + if {$pattern eq "/"} { + lappend result / + } elseif {[string match "/*" $pattern]} { + lappend result {expand}[_glob_do / [string range $pattern 1 end]] + } else { + lappend result {expand}[_glob_do "" $pattern] + } + } + + if {$nocomplain == 0 && [llength $result] == 0} { + error "no files matched glob patterns" + } + + return $result +} diff --git a/jim-readdir.c b/jim-readdir.c index 9942167..8b4d3ba 100644 --- a/jim-readdir.c +++ b/jim-readdir.c @@ -1,120 +1,120 @@ -/*
- * Copyright (c) 2008 Steve Bennett <steveb@worware.net.au>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation
- * are those of the authors and should not be interpreted as representing
- * official policies, either expressed or implied, of the Jim Tcl Project.
- *
- * Based on original work by:
- *-----------------------------------------------------------------------------
- * Copyright 1991-1994 Karl Lehenbauer and Mark Diekhans.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies. Karl Lehenbauer and
- * Mark Diekhans make no representations about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- *-----------------------------------------------------------------------------
- *
- * Tcl readdir command.
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <dirent.h>
-
-#define JIM_EXTENSION
-#include "jim.h"
-
-/*
- *-----------------------------------------------------------------------------
- *
- * Jim_ReaddirCmd --
- * Implements the rename TCL command:
- * readdir ?-nocomplain? dirPath
- *
- * Results:
- * Standard TCL result.
- *-----------------------------------------------------------------------------
- */
-int
-Jim_ReaddirCmd (Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- const char *dirPath;
- DIR *dirPtr;
- struct dirent *entryPtr;
- int nocomplain = 0;
-
- if (argc == 3 && Jim_CompareStringImmediate(interp, argv[1], "-nocomplain")) {
- nocomplain = 1;
- }
- if (argc != 2 && !nocomplain) {
- Jim_WrongNumArgs(interp, 1, argv, "?-nocomplain? dirPath");
- return JIM_ERR;
- }
-
- dirPath = Jim_GetString(argv[1 + nocomplain], NULL);
-
- dirPtr = opendir (dirPath);
- if (dirPtr == NULL) {
- if (nocomplain) {
- return JIM_OK;
- }
- Jim_SetResultString(interp, strerror(errno), -1);
- return JIM_ERR;
- }
- Jim_SetResultString(interp, strerror(errno), -1);
-
- Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
-
- while ((entryPtr = readdir (dirPtr)) != NULL) {
- if (entryPtr->d_name [0] == '.') {
- if (entryPtr->d_name [1] == '\0') {
- continue;
- }
- if ((entryPtr->d_name [1] == '.') &&
- (entryPtr->d_name [2] == '\0'))
- continue;
- }
- Jim_ListAppendElement(interp, Jim_GetResult(interp), Jim_NewStringObj(interp, entryPtr->d_name, -1));
- }
- closedir (dirPtr);
-
- return JIM_OK;
-}
-
-int Jim_OnLoad(Jim_Interp *interp)
-{
- Jim_InitExtension(interp);
- if (Jim_PackageProvide(interp, "readdir", "1.0", JIM_ERRMSG) != JIM_OK) {
- return JIM_ERR;
- }
- Jim_CreateCommand(interp, "readdir", Jim_ReaddirCmd, NULL, NULL);
- return JIM_OK;
-}
+/* + * Copyright (c) 2008 Steve Bennett <steveb@worware.net.au> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of the Jim Tcl Project. + * + * Based on original work by: + *----------------------------------------------------------------------------- + * Copyright 1991-1994 Karl Lehenbauer and Mark Diekhans. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, provided + * that the above copyright notice appear in all copies. Karl Lehenbauer and + * Mark Diekhans make no representations about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + *----------------------------------------------------------------------------- + * + * Tcl readdir command. + */ + +#include <errno.h> +#include <stdio.h> +#include <string.h> +#include <dirent.h> + +#define JIM_EXTENSION +#include "jim.h" + +/* + *----------------------------------------------------------------------------- + * + * Jim_ReaddirCmd -- + * Implements the rename TCL command: + * readdir ?-nocomplain? dirPath + * + * Results: + * Standard TCL result. + *----------------------------------------------------------------------------- + */ +int +Jim_ReaddirCmd (Jim_Interp *interp, int argc, Jim_Obj *const *argv) +{ + const char *dirPath; + DIR *dirPtr; + struct dirent *entryPtr; + int nocomplain = 0; + + if (argc == 3 && Jim_CompareStringImmediate(interp, argv[1], "-nocomplain")) { + nocomplain = 1; + } + if (argc != 2 && !nocomplain) { + Jim_WrongNumArgs(interp, 1, argv, "?-nocomplain? dirPath"); + return JIM_ERR; + } + + dirPath = Jim_GetString(argv[1 + nocomplain], NULL); + + dirPtr = opendir (dirPath); + if (dirPtr == NULL) { + if (nocomplain) { + return JIM_OK; + } + Jim_SetResultString(interp, strerror(errno), -1); + return JIM_ERR; + } + Jim_SetResultString(interp, strerror(errno), -1); + + Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0)); + + while ((entryPtr = readdir (dirPtr)) != NULL) { + if (entryPtr->d_name [0] == '.') { + if (entryPtr->d_name [1] == '\0') { + continue; + } + if ((entryPtr->d_name [1] == '.') && + (entryPtr->d_name [2] == '\0')) + continue; + } + Jim_ListAppendElement(interp, Jim_GetResult(interp), Jim_NewStringObj(interp, entryPtr->d_name, -1)); + } + closedir (dirPtr); + + return JIM_OK; +} + +int Jim_OnLoad(Jim_Interp *interp) +{ + Jim_InitExtension(interp); + if (Jim_PackageProvide(interp, "readdir", "1.0", JIM_ERRMSG) != JIM_OK) { + return JIM_ERR; + } + Jim_CreateCommand(interp, "readdir", Jim_ReaddirCmd, NULL, NULL); + return JIM_OK; +} diff --git a/jim-regexp.c b/jim-regexp.c index de2cbb8..68e9988 100644 --- a/jim-regexp.c +++ b/jim-regexp.c @@ -1,482 +1,482 @@ -/*
- * Copyright (c) 2008 Steve Bennett <steveb@workware.net.au>
- *
- * Implements the regexp and regsub commands for Jim
- *
- * Uses C library regcomp()/regexec() for the matching.
- *
- * The FreeBSD license
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation
- * are those of the authors and should not be interpreted as representing
- * official policies, either expressed or implied, of the Jim Tcl Project.
- *
- * Based on code originally from Tcl 6.7:
- *
- * Copyright 1987-1991 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
-#include <regex.h>
-#include <string.h>
-
-#define JIM_EXTENSION
-#include "jim.h"
-
-/* REVISIT: Would be useful in jim.h */
-static void Jim_SetIntResult(Jim_Interp *interp, jim_wide wide)
-{
- Jim_SetResult(interp, Jim_NewIntObj(interp, wide));
-}
-
-/**
- * REVISIT: Should cache a number of compiled regexps for performance reasons.
- */
-static regex_t *
-compile_regexp(Jim_Interp *interp, const char *pattern, int flags)
-{
- int ret;
-
- regex_t *result = (regex_t *)Jim_Alloc(sizeof(*result));
-
- if ((ret = regcomp(result, pattern, REG_EXTENDED | flags)) != 0) {
- char buf[100];
- regerror(ret, result, buf, sizeof(buf));
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "couldn't compile regular expression pattern: ", buf, NULL);
- Jim_Free(result);
- return NULL;
- }
- return result;
-}
-
-int Jim_RegexpCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- int opt_indices = 0;
- int opt_all = 0;
- int opt_inline = 0;
- regex_t *regex;
- int match, i, j;
- long offset = 0;
- regmatch_t *pmatch = NULL;
- int source_len;
- int result = JIM_OK;
- const char *pattern;
- const char *source_str;
- int num_matches = 0;
- int num_vars;
- Jim_Obj *resultListObj = NULL;
- int regcomp_flags = 0;
-
- if (argc < 3) {
- wrongNumArgs:
- Jim_WrongNumArgs(interp, 1, argv, "?-nocase? ?-line? ?-indices? ?-start offset? ?-all? ?-inline? exp string ?matchVar? ?subMatchVar ...?");
- return JIM_ERR;
- }
-
- for (i = 1; i < argc; i++) {
- if (Jim_CompareStringImmediate(interp, argv[i], "-indices")) {
- opt_indices = 1;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-nocase")) {
- regcomp_flags |= REG_ICASE;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-line")) {
- regcomp_flags |= REG_NEWLINE;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-all")) {
- opt_all = 1;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-inline")) {
- opt_inline = 1;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-start")) {
- if (++i == argc) {
- goto wrongNumArgs;
- }
- if (Jim_GetLong(interp, argv[i], &offset) != JIM_OK) {
- return JIM_ERR;
- }
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "--")) {
- i++;
- break;
- }
- else {
- const char *opt = Jim_GetString(argv[i], NULL);
- if (*opt == '-') {
- /* Bad option */
- goto wrongNumArgs;
- }
- break;
- }
- }
- if (argc - i < 2) {
- goto wrongNumArgs;
- }
-
- pattern = Jim_GetString(argv[i], NULL);
- regex = compile_regexp(interp, pattern, regcomp_flags);
- if (regex == NULL) {
- return JIM_ERR;
- }
-
- source_str = Jim_GetString(argv[i + 1], &source_len);
-
- num_vars = argc - i - 2;
-
- if (opt_inline) {
- if (num_vars) {
- Jim_SetResultString(interp, "regexp match variables not allowed when using -inline", -1);
- result = JIM_ERR;
- goto done;
- }
- /* REVISIT: Ugly! */
- num_vars = 100;
- }
-
- pmatch = Jim_Alloc((num_vars + 1) * sizeof(*pmatch));
-
- /* If an offset has been specified, adjust for that now.
- * If it points past the end of the string, point to the terminating null
- */
- if (offset) {
- if (offset > source_len) {
- source_str += source_len;
- } else if (offset > 0) {
- source_str += offset;
- }
- }
-
- if (opt_inline) {
- resultListObj = Jim_NewListObj(interp, NULL, 0);
- }
-
- next_match:
- match = regexec(regex, source_str, num_vars + 1, pmatch, 0);
- if (match >= REG_BADPAT) {
- char buf[100];
- regerror(match, regex, buf, sizeof(buf));
- Jim_SetResultString(interp, "", 0);
- Jim_AppendStrings(interp, Jim_GetResult(interp), "error while matching pattern: ", buf, NULL);
- result = JIM_ERR;
- goto done;
- }
-
- if (match == REG_NOMATCH) {
- goto done;
- }
-
- num_matches++;
-
- if (opt_all && !opt_inline) {
- /* Just count the number of matches, so skip the substitution h*/
- goto try_next_match;
- }
-
- /*
- * If additional variable names have been specified, return
- * index information in those variables.
- */
-
- //fprintf(stderr, "source_str=%s, [0].rm_eo=%d\n", source_str, pmatch[0].rm_eo);
-
- j = 0;
- for (i += 2; opt_inline ? pmatch[j].rm_so != -1 : i < argc; i++, j++) {
- Jim_Obj *resultObj;
-
- if (opt_indices) {
- resultObj = Jim_NewListObj(interp, NULL, 0);
- }
- else {
- resultObj = Jim_NewStringObj(interp, "", 0);
- }
-
- if (pmatch[j].rm_so == -1) {
- if (opt_indices) {
- Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, -1));
- Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, -1));
- }
- } else {
- int len = pmatch[j].rm_eo - pmatch[j].rm_so;
- if (opt_indices) {
- Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, offset + pmatch[j].rm_so));
- Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, offset + pmatch[j].rm_so + len - 1));
- } else {
- Jim_AppendString(interp, resultObj, source_str + pmatch[j].rm_so, len);
- }
- }
-
- if (opt_inline) {
- Jim_ListAppendElement(interp, resultListObj, resultObj);
- }
- else {
- /* And now set the result variable */
- result = Jim_SetVariable(interp, argv[i], resultObj);
-
- if (result != JIM_OK) {
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "couldn't set variable \"", Jim_GetString(argv[i], NULL), "\"", NULL);
- Jim_FreeObj(interp, resultObj);
- break;
- }
- }
- }
-
- try_next_match:
- if (opt_all && pattern[0] != '^' && *source_str) {
- if (pmatch[0].rm_eo) {
- source_str += pmatch[0].rm_eo;
- }
- else {
- source_str++;
- }
- if (*source_str) {
- goto next_match;
- }
- }
-
- done:
- if (result == JIM_OK) {
- if (opt_inline) {
- Jim_SetResult(interp, resultListObj);
- }
- else {
- Jim_SetIntResult(interp, num_matches);
- }
- }
-
- Jim_Free(pmatch);
- regfree(regex);
- Jim_Free(regex);
- return result;
-}
-
-#define MAX_SUB_MATCHES 10
-
-int Jim_RegsubCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- int regcomp_flags = 0;
- int opt_all = 0;
- long offset = 0;
- regex_t *regex;
- const char *p;
- int result = JIM_ERR;
- regmatch_t pmatch[MAX_SUB_MATCHES + 1];
- int num_matches = 0;
-
- int i;
- Jim_Obj *varname;
- Jim_Obj *resultObj;
- const char *source_str;
- int source_len;
- const char *replace_str;
- const char *pattern;
-
- if (argc < 5) {
- wrongNumArgs:
- Jim_WrongNumArgs(interp, 1, argv, "?-nocase? ?-all? exp string subSpec varName");
- return JIM_ERR;
- }
-
- for (i = 1; i < argc; i++) {
- if (Jim_CompareStringImmediate(interp, argv[i], "-nocase")) {
- regcomp_flags |= REG_ICASE;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-line")) {
- regcomp_flags |= REG_NEWLINE;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-all")) {
- opt_all = 1;
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "-start")) {
- if (++i == argc) {
- goto wrongNumArgs;
- }
- if (Jim_GetLong(interp, argv[i], &offset) != JIM_OK) {
- return JIM_ERR;
- }
- }
- else if (Jim_CompareStringImmediate(interp, argv[i], "--")) {
- i++;
- break;
- }
- else {
- const char *opt = Jim_GetString(argv[i], NULL);
- if (*opt == '-') {
- /* Bad option */
- goto wrongNumArgs;
- }
- break;
- }
- }
- if (argc - i != 4) {
- goto wrongNumArgs;
- }
-
- pattern = Jim_GetString(argv[i], NULL);
- regex = compile_regexp(interp, pattern, regcomp_flags);
- if (regex == NULL) {
- return JIM_ERR;
- }
-
- source_str = Jim_GetString(argv[i + 1], &source_len);
- replace_str = Jim_GetString(argv[i + 2], NULL);
- varname = argv[i + 3];
-
- /* Create the result string */
- resultObj = Jim_NewStringObj(interp, "", 0);
-
- /* If an offset has been specified, adjust for that now.
- * If it points past the end of the string, point to the terminating null
- */
- if (offset) {
- if (offset > source_len) {
- offset = source_len;
- } else if (offset < 0) {
- offset = 0;
- }
- }
-
- /* Copy the part before -start */
- Jim_AppendString(interp, resultObj, source_str, offset);
-
- /*
- * The following loop is to handle multiple matches within the
- * same source string; each iteration handles one match and its
- * corresponding substitution. If "-all" hasn't been specified
- * then the loop body only gets executed once.
- */
-
- for (p = source_str + offset; *p != 0; ) {
- const char *src;
- int match = regexec(regex, p, MAX_SUB_MATCHES, pmatch, 0);
- if (match >= REG_BADPAT) {
- char buf[100];
- regerror(match, regex, buf, sizeof(buf));
- Jim_SetResultString(interp, "", 0);
- Jim_AppendStrings(interp, Jim_GetResult(interp), "error while matching pattern: ", buf, NULL);
- goto done;
- }
- if (match == REG_NOMATCH) {
- break;
- }
-
- num_matches++;
-
- /*
- * Copy the portion of the source string before the match to the
- * result variable.
- */
- Jim_AppendString(interp, resultObj, p, pmatch[0].rm_so);
-
- /*
- * Append the subSpec (replace_str) argument to the variable, making appropriate
- * substitutions. This code is a bit hairy because of the backslash
- * conventions and because the code saves up ranges of characters in
- * subSpec to reduce the number of calls to Jim_SetVar.
- */
-
- for (src = replace_str; *src; src++) {
- int index;
- int c = *src;
-
- if (c == '&') {
- index = 0;
- }
- else if (c == '\\') {
- c = *++src;
- if ((c >= '0') && (c <= '9')) {
- index = c - '0';
- }
- else if ((c == '\\') || (c == '&')) {
- Jim_AppendString(interp, resultObj, src, 1);
- continue;
- }
- else {
- Jim_AppendString(interp, resultObj, src - 1, 2);
- continue;
- }
- }
- else {
- Jim_AppendString(interp, resultObj, src, 1);
- continue;
- }
- if ((index < MAX_SUB_MATCHES) && pmatch[index].rm_so != -1 && pmatch[index].rm_eo != -1) {
- Jim_AppendString(interp, resultObj, p + pmatch[index].rm_so, pmatch[index].rm_eo - pmatch[index].rm_so);
- }
- }
-
- p += pmatch[0].rm_eo;
-
- if (!opt_all || pmatch[0].rm_eo == 0 || pattern[0] == '^') {
- /* If we are doing a single match, or we haven't moved with this match
- * or this is an anchored match, we stop */
- break;
- }
- }
-
- /*
- * Copy the portion of the string after the last match to the
- * result variable.
- */
- Jim_AppendString(interp, resultObj, p, -1);
-
- /* And now set the result variable */
- result = Jim_SetVariable(interp, varname, resultObj);
-
- if (result == JIM_OK) {
- Jim_SetIntResult(interp, num_matches);
- }
- else {
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "couldn't set variable \"", Jim_GetString(varname, NULL), "\"", NULL);
- Jim_FreeObj(interp, resultObj);
- }
-
- done:
- regfree(regex);
- Jim_Free(regex);
- return result;
-}
-
-int Jim_OnLoad(Jim_Interp *interp)
-{
- Jim_InitExtension(interp);
- if (Jim_PackageProvide(interp, "regexp", "1.0", JIM_ERRMSG) != JIM_OK) {
- return JIM_ERR;
- }
- Jim_CreateCommand(interp, "regexp", Jim_RegexpCmd, NULL, NULL);
- Jim_CreateCommand(interp, "regsub", Jim_RegsubCmd, NULL, NULL);
- return JIM_OK;
-}
+/* + * Copyright (c) 2008 Steve Bennett <steveb@workware.net.au> + * + * Implements the regexp and regsub commands for Jim + * + * Uses C library regcomp()/regexec() for the matching. + * + * The FreeBSD license + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of the Jim Tcl Project. + * + * Based on code originally from Tcl 6.7: + * + * Copyright 1987-1991 Regents of the University of California + * Permission to use, copy, modify, and distribute this + * software and its documentation for any purpose and without + * fee is hereby granted, provided that the above copyright + * notice appear in all copies. The University of California + * makes no representations about the suitability of this + * software for any purpose. It is provided "as is" without + * express or implied warranty. + */ + +#include <regex.h> +#include <string.h> + +#define JIM_EXTENSION +#include "jim.h" + +/* REVISIT: Would be useful in jim.h */ +static void Jim_SetIntResult(Jim_Interp *interp, jim_wide wide) +{ + Jim_SetResult(interp, Jim_NewIntObj(interp, wide)); +} + +/** + * REVISIT: Should cache a number of compiled regexps for performance reasons. + */ +static regex_t * +compile_regexp(Jim_Interp *interp, const char *pattern, int flags) +{ + int ret; + + regex_t *result = (regex_t *)Jim_Alloc(sizeof(*result)); + + if ((ret = regcomp(result, pattern, REG_EXTENDED | flags)) != 0) { + char buf[100]; + regerror(ret, result, buf, sizeof(buf)); + Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); + Jim_AppendStrings(interp, Jim_GetResult(interp), "couldn't compile regular expression pattern: ", buf, NULL); + Jim_Free(result); + return NULL; + } + return result; +} + +int Jim_RegexpCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv) +{ + int opt_indices = 0; + int opt_all = 0; + int opt_inline = 0; + regex_t *regex; + int match, i, j; + long offset = 0; + regmatch_t *pmatch = NULL; + int source_len; + int result = JIM_OK; + const char *pattern; + const char *source_str; + int num_matches = 0; + int num_vars; + Jim_Obj *resultListObj = NULL; + int regcomp_flags = 0; + + if (argc < 3) { + wrongNumArgs: + Jim_WrongNumArgs(interp, 1, argv, "?-nocase? ?-line? ?-indices? ?-start offset? ?-all? ?-inline? exp string ?matchVar? ?subMatchVar ...?"); + return JIM_ERR; + } + + for (i = 1; i < argc; i++) { + if (Jim_CompareStringImmediate(interp, argv[i], "-indices")) { + opt_indices = 1; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-nocase")) { + regcomp_flags |= REG_ICASE; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-line")) { + regcomp_flags |= REG_NEWLINE; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-all")) { + opt_all = 1; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-inline")) { + opt_inline = 1; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-start")) { + if (++i == argc) { + goto wrongNumArgs; + } + if (Jim_GetLong(interp, argv[i], &offset) != JIM_OK) { + return JIM_ERR; + } + } + else if (Jim_CompareStringImmediate(interp, argv[i], "--")) { + i++; + break; + } + else { + const char *opt = Jim_GetString(argv[i], NULL); + if (*opt == '-') { + /* Bad option */ + goto wrongNumArgs; + } + break; + } + } + if (argc - i < 2) { + goto wrongNumArgs; + } + + pattern = Jim_GetString(argv[i], NULL); + regex = compile_regexp(interp, pattern, regcomp_flags); + if (regex == NULL) { + return JIM_ERR; + } + + source_str = Jim_GetString(argv[i + 1], &source_len); + + num_vars = argc - i - 2; + + if (opt_inline) { + if (num_vars) { + Jim_SetResultString(interp, "regexp match variables not allowed when using -inline", -1); + result = JIM_ERR; + goto done; + } + /* REVISIT: Ugly! */ + num_vars = 100; + } + + pmatch = Jim_Alloc((num_vars + 1) * sizeof(*pmatch)); + + /* If an offset has been specified, adjust for that now. + * If it points past the end of the string, point to the terminating null + */ + if (offset) { + if (offset > source_len) { + source_str += source_len; + } else if (offset > 0) { + source_str += offset; + } + } + + if (opt_inline) { + resultListObj = Jim_NewListObj(interp, NULL, 0); + } + + next_match: + match = regexec(regex, source_str, num_vars + 1, pmatch, 0); + if (match >= REG_BADPAT) { + char buf[100]; + regerror(match, regex, buf, sizeof(buf)); + Jim_SetResultString(interp, "", 0); + Jim_AppendStrings(interp, Jim_GetResult(interp), "error while matching pattern: ", buf, NULL); + result = JIM_ERR; + goto done; + } + + if (match == REG_NOMATCH) { + goto done; + } + + num_matches++; + + if (opt_all && !opt_inline) { + /* Just count the number of matches, so skip the substitution h*/ + goto try_next_match; + } + + /* + * If additional variable names have been specified, return + * index information in those variables. + */ + + //fprintf(stderr, "source_str=%s, [0].rm_eo=%d\n", source_str, pmatch[0].rm_eo); + + j = 0; + for (i += 2; opt_inline ? pmatch[j].rm_so != -1 : i < argc; i++, j++) { + Jim_Obj *resultObj; + + if (opt_indices) { + resultObj = Jim_NewListObj(interp, NULL, 0); + } + else { + resultObj = Jim_NewStringObj(interp, "", 0); + } + + if (pmatch[j].rm_so == -1) { + if (opt_indices) { + Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, -1)); + Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, -1)); + } + } else { + int len = pmatch[j].rm_eo - pmatch[j].rm_so; + if (opt_indices) { + Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, offset + pmatch[j].rm_so)); + Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, offset + pmatch[j].rm_so + len - 1)); + } else { + Jim_AppendString(interp, resultObj, source_str + pmatch[j].rm_so, len); + } + } + + if (opt_inline) { + Jim_ListAppendElement(interp, resultListObj, resultObj); + } + else { + /* And now set the result variable */ + result = Jim_SetVariable(interp, argv[i], resultObj); + + if (result != JIM_OK) { + Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); + Jim_AppendStrings(interp, Jim_GetResult(interp), "couldn't set variable \"", Jim_GetString(argv[i], NULL), "\"", NULL); + Jim_FreeObj(interp, resultObj); + break; + } + } + } + + try_next_match: + if (opt_all && pattern[0] != '^' && *source_str) { + if (pmatch[0].rm_eo) { + source_str += pmatch[0].rm_eo; + } + else { + source_str++; + } + if (*source_str) { + goto next_match; + } + } + + done: + if (result == JIM_OK) { + if (opt_inline) { + Jim_SetResult(interp, resultListObj); + } + else { + Jim_SetIntResult(interp, num_matches); + } + } + + Jim_Free(pmatch); + regfree(regex); + Jim_Free(regex); + return result; +} + +#define MAX_SUB_MATCHES 10 + +int Jim_RegsubCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv) +{ + int regcomp_flags = 0; + int opt_all = 0; + long offset = 0; + regex_t *regex; + const char *p; + int result = JIM_ERR; + regmatch_t pmatch[MAX_SUB_MATCHES + 1]; + int num_matches = 0; + + int i; + Jim_Obj *varname; + Jim_Obj *resultObj; + const char *source_str; + int source_len; + const char *replace_str; + const char *pattern; + + if (argc < 5) { + wrongNumArgs: + Jim_WrongNumArgs(interp, 1, argv, "?-nocase? ?-all? exp string subSpec varName"); + return JIM_ERR; + } + + for (i = 1; i < argc; i++) { + if (Jim_CompareStringImmediate(interp, argv[i], "-nocase")) { + regcomp_flags |= REG_ICASE; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-line")) { + regcomp_flags |= REG_NEWLINE; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-all")) { + opt_all = 1; + } + else if (Jim_CompareStringImmediate(interp, argv[i], "-start")) { + if (++i == argc) { + goto wrongNumArgs; + } + if (Jim_GetLong(interp, argv[i], &offset) != JIM_OK) { + return JIM_ERR; + } + } + else if (Jim_CompareStringImmediate(interp, argv[i], "--")) { + i++; + break; + } + else { + const char *opt = Jim_GetString(argv[i], NULL); + if (*opt == '-') { + /* Bad option */ + goto wrongNumArgs; + } + break; + } + } + if (argc - i != 4) { + goto wrongNumArgs; + } + + pattern = Jim_GetString(argv[i], NULL); + regex = compile_regexp(interp, pattern, regcomp_flags); + if (regex == NULL) { + return JIM_ERR; + } + + source_str = Jim_GetString(argv[i + 1], &source_len); + replace_str = Jim_GetString(argv[i + 2], NULL); + varname = argv[i + 3]; + + /* Create the result string */ + resultObj = Jim_NewStringObj(interp, "", 0); + + /* If an offset has been specified, adjust for that now. + * If it points past the end of the string, point to the terminating null + */ + if (offset) { + if (offset > source_len) { + offset = source_len; + } else if (offset < 0) { + offset = 0; + } + } + + /* Copy the part before -start */ + Jim_AppendString(interp, resultObj, source_str, offset); + + /* + * The following loop is to handle multiple matches within the + * same source string; each iteration handles one match and its + * corresponding substitution. If "-all" hasn't been specified + * then the loop body only gets executed once. + */ + + for (p = source_str + offset; *p != 0; ) { + const char *src; + int match = regexec(regex, p, MAX_SUB_MATCHES, pmatch, 0); + if (match >= REG_BADPAT) { + char buf[100]; + regerror(match, regex, buf, sizeof(buf)); + Jim_SetResultString(interp, "", 0); + Jim_AppendStrings(interp, Jim_GetResult(interp), "error while matching pattern: ", buf, NULL); + goto done; + } + if (match == REG_NOMATCH) { + break; + } + + num_matches++; + + /* + * Copy the portion of the source string before the match to the + * result variable. + */ + Jim_AppendString(interp, resultObj, p, pmatch[0].rm_so); + + /* + * Append the subSpec (replace_str) argument to the variable, making appropriate + * substitutions. This code is a bit hairy because of the backslash + * conventions and because the code saves up ranges of characters in + * subSpec to reduce the number of calls to Jim_SetVar. + */ + + for (src = replace_str; *src; src++) { + int index; + int c = *src; + + if (c == '&') { + index = 0; + } + else if (c == '\\') { + c = *++src; + if ((c >= '0') && (c <= '9')) { + index = c - '0'; + } + else if ((c == '\\') || (c == '&')) { + Jim_AppendString(interp, resultObj, src, 1); + continue; + } + else { + Jim_AppendString(interp, resultObj, src - 1, 2); + continue; + } + } + else { + Jim_AppendString(interp, resultObj, src, 1); + continue; + } + if ((index < MAX_SUB_MATCHES) && pmatch[index].rm_so != -1 && pmatch[index].rm_eo != -1) { + Jim_AppendString(interp, resultObj, p + pmatch[index].rm_so, pmatch[index].rm_eo - pmatch[index].rm_so); + } + } + + p += pmatch[0].rm_eo; + + if (!opt_all || pmatch[0].rm_eo == 0 || pattern[0] == '^') { + /* If we are doing a single match, or we haven't moved with this match + * or this is an anchored match, we stop */ + break; + } + } + + /* + * Copy the portion of the string after the last match to the + * result variable. + */ + Jim_AppendString(interp, resultObj, p, -1); + + /* And now set the result variable */ + result = Jim_SetVariable(interp, varname, resultObj); + + if (result == JIM_OK) { + Jim_SetIntResult(interp, num_matches); + } + else { + Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); + Jim_AppendStrings(interp, Jim_GetResult(interp), "couldn't set variable \"", Jim_GetString(varname, NULL), "\"", NULL); + Jim_FreeObj(interp, resultObj); + } + + done: + regfree(regex); + Jim_Free(regex); + return result; +} + +int Jim_OnLoad(Jim_Interp *interp) +{ + Jim_InitExtension(interp); + if (Jim_PackageProvide(interp, "regexp", "1.0", JIM_ERRMSG) != JIM_OK) { + return JIM_ERR; + } + Jim_CreateCommand(interp, "regexp", Jim_RegexpCmd, NULL, NULL); + Jim_CreateCommand(interp, "regsub", Jim_RegsubCmd, NULL, NULL); + return JIM_OK; +} |