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twin compton: use libpcre2 instead of libpcre

Browse Source 
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 2bc7176522)
r14.1.x
Michele Calgaro 1 month ago
parent e2ed070786
commit 51fdc21a48
Signed by: MicheleC
GPG Key ID: 2A75B7CA8ADED5CF
9 changed files with 60 additions and 74 deletions
Show Stats Download Patch File Download Diff File

6
CMakeLists.txt
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@ -99,7 +99,7 @@ option( WITH_XFIXES "Enable xfixes support" ${WITH_ALL_OPTIONS} )
option( WITH_XRANDR "Enable xrandr support" ${WITH_ALL_OPTIONS} )
option( WITH_XRENDER "Enable xrender support" ${WITH_ALL_OPTIONS} )
option( WITH_LIBCONFIG "Enable libconfig support" ${WITH_ALL_OPTIONS} )
option( WITH_PCRE "Enable pcre regex support" ON )
option( WITH_PCRE2 "Enable pcre2 regex support" ON )
option( WITH_XTEST "Enable xtest support" ${WITH_ALL_OPTIONS} )
option( WITH_OPENGL "Enable openGL support" ${WITH_ALL_OPTIONS} )
option( WITH_XSCREENSAVER "Enable xscreensaver support" ${WITH_ALL_OPTIONS} )
@ -152,8 +152,8 @@ option( WITH_XKB_TRANSLATIONS "Use translations for xkb messages provided by xke
# WITH_PAM affects tdm kdesktop kcheckpass
# WITH_SHADOW affects tdm kcheckpass
# WITH_UPOWER affects ksmserver
# WITH_LIBCONFIG affects twin/compot-tde
# WITH_PCRE affects twin/compot-tde
# WITH_LIBCONFIG affects twin/compton-tde
# WITH_PCRE2 affects twin/compton-tde
# WITH_SUDO_TDESU_BACKEND affects tdesu
# WITH_SUDO_KONSOLE_SUPER_USER_COMMAND affects launching Konsole super user sessions
# WITH_XKB_TRANSLATIONS affects kxkb

12
ConfigureChecks.cmake
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@ -275,12 +275,12 @@ if( WITH_LIBCONFIG )
endif( )
# pcre (twin/compton-tde)
if( WITH_PCRE )
pkg_search_module( LIBPCRE libpcre )
if( NOT LIBPCRE_FOUND )
tde_message_fatal( "pcre support is requested, but not found on your system" )
endif( NOT LIBPCRE_FOUND )
# pcre2 (twin/compton-tde)
if( WITH_PCRE2 )
pkg_check_modules( LIBPCRE2 libpcre2-8 libpcre2-posix )
if( NOT LIBPCRE2_FOUND )
tde_message_fatal( "pcre2 support was requested, but not found on your system" )
endif( )
endif( )

16
twin/compton-tde/CMakeLists.txt
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@ -24,7 +24,7 @@ include_directories(
${XINERAMA_INCLUDE_DIRS}
${XRANDR_INCLUDE_DIRS}
${GL_INCLUDE_DIRS}
${LIBPCRE_INCLUDE_DIRS}
${LIBPCRE2_INCLUDE_DIRS}
)
link_directories(
@ -33,7 +33,7 @@ link_directories(
${XINERAMA_LIBRARY_DIRS}
${XRANDR_LIBRARY_DIRS}
${GL_LIBRARY_DIRS}
${LIBPCRE_LIBRARY_DIRS}
${LIBPCRE2_LIBRARY_DIRS}
)
@ -46,8 +46,8 @@ link_directories(
# WITH_OPENGL -> CONFIG_VSYNC_OPENGL
# WITH_OPENGL -> CONFIG_VSYNC_OPENGL_GLSL
# WITH_OPENGL -> CONFIG_VSYNC_OPENGL_FBO
# WITH_PCRE -> CONFIG_REGEX_PCRE
# WITH_PCRE -> CONFIG_REGEX_PCRE_JIT
# WITH_PCRE2 -> CONFIG_REGEX_PCRE2
# WITH_PCRE2 -> CONFIG_REGEX_PCRE2_JIT
# WITH_LIBCONFIG -> CONFIG_LIBCONFIG
#
# HAVE_LIBCONFIG_OLD_API -> CONFIG_LIBCONFIG_LEGACY (set up in compton_config.h)
@ -90,10 +90,10 @@ if( WITH_XRANDR )
list( APPEND compton_LIBRARIES ${XRANDR_LIBRARIES} )
endif( )
if( WITH_PCRE )
set( CONFIG_REGEX_PCRE ${WITH_PCRE} )
set( CONFIG_REGEX_PCRE_JIT ${WITH_PCRE} )
list( APPEND compton_LIBRARIES ${LIBPCRE_LIBRARIES} )
if( WITH_PCRE2 )
set( CONFIG_REGEX_PCRE2 ${WITH_PCRE2} )
set( CONFIG_REGEX_PCRE2_JIT ${WITH_PCRE2} )
list( APPEND compton_LIBRARIES ${LIBPCRE2_LIBRARIES} )
endif( )
configure_file( compton_config.h.cmake compton_config.h )

51
twin/compton-tde/c2.c
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@ -785,33 +785,34 @@ c2_l_postprocess(session_t *ps, c2_l_t *pleaf) {
// PCRE patterns
if (C2_L_PTSTRING == pleaf->ptntype && C2_L_MPCRE == pleaf->match) {
#ifdef CONFIG_REGEX_PCRE
const char *error = NULL;
int erroffset = 0;
int options = 0;
#ifdef CONFIG_REGEX_PCRE2
int errorCode;
PCRE2_SIZE errorOffset;
uint32_t options = 0;
// Ignore case flag
if (pleaf->match_ignorecase)
options |= PCRE_CASELESS;
options |= PCRE2_CASELESS;
// Compile PCRE expression
pleaf->regex_pcre = pcre_compile(pleaf->ptnstr, options,
&error, &erroffset, NULL);
// Compile PCRE2 expression
pleaf->regex_pcre = pcre2_compile((PCRE2_SPTR)pleaf->ptnstr, PCRE2_ZERO_TERMINATED,
options, &errorCode, &errorOffset, NULL);
if (!pleaf->regex_pcre)
c2_error("Pattern \"%s\": PCRE regular expression parsing failed on "
"offset %d: %s", pleaf->ptnstr, erroffset, error);
#ifdef CONFIG_REGEX_PCRE_JIT
pleaf->regex_pcre_extra = pcre_study(pleaf->regex_pcre,
PCRE_STUDY_JIT_COMPILE, &error);
if (!pleaf->regex_pcre_extra) {
printf("Pattern \"%s\": PCRE regular expression study failed: %s",
pleaf->ptnstr, error);
{
PCRE2_UCHAR errorMsg[256];
pcre2_get_error_message(errorCode, errorMsg, sizeof(errorMsg));
c2_error("Pattern \"%s\": PCRE2 regular expression parsing failed on "
"offset %zu: %s", pleaf->ptnstr, errorOffset, errorMsg);
}
#ifdef CONFIG_REGEX_PCRE2_JIT
int jit_res = pcre2_jit_compile(pleaf->regex_pcre, PCRE2_JIT_COMPLETE);
if (jit_res < 0)
{
printf("Pattern \"%s\": PCRE2 regular expression JIT compilation failed with error code %d",
pleaf->ptnstr, jit_res);
}
#endif
// Free the target string
// free(pleaf->tgt);
// pleaf->tgt = NULL;
#else
c2_error("PCRE regular expression support not compiled in.");
#endif
@ -844,9 +845,8 @@ c2_free(c2_ptr_t p) {
free(pleaf->tgt);
free(pleaf->ptnstr);
#ifdef CONFIG_REGEX_PCRE
pcre_free(pleaf->regex_pcre);
LPCRE_FREE_STUDY(pleaf->regex_pcre_extra);
#ifdef CONFIG_REGEX_PCRE2
pcre2_code_free(pleaf->regex_pcre);
#endif
free(pleaf);
}
@ -1180,10 +1180,9 @@ c2_match_once_leaf(session_t *ps, win *w, const c2_l_t *pleaf,
}
break;
case C2_L_MPCRE:
#ifdef CONFIG_REGEX_PCRE
*pres = (pcre_exec(pleaf->regex_pcre,
pleaf->regex_pcre_extra,
tgt, strlen(tgt), 0, 0, NULL, 0) >= 0);
#ifdef CONFIG_REGEX_PCRE2
*pres = (pcre2_match(pleaf->regex_pcre, (PCRE2_SPTR)tgt, PCRE2_ZERO_TERMINATED,
0, 0, NULL, NULL) >= 0);
#else
assert(0);
#endif

21
twin/compton-tde/c2.h
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@ -13,18 +13,10 @@
#include <fnmatch.h>
#include <ctype.h>
// libpcre
#ifdef CONFIG_REGEX_PCRE
#include <pcre.h>
// For compatiblity with <libpcre-8.20
#ifndef PCRE_STUDY_JIT_COMPILE
#define PCRE_STUDY_JIT_COMPILE 0
#define LPCRE_FREE_STUDY(extra) pcre_free(extra)
#else
#define LPCRE_FREE_STUDY(extra) pcre_free_study(extra)
#endif
// libpcre2
#ifdef CONFIG_REGEX_PCRE2
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
#endif
#define C2_MAX_LEVELS 10
@ -139,9 +131,8 @@ struct _c2_l {
} ptntype;
char *ptnstr;
long ptnint;
#ifdef CONFIG_REGEX_PCRE
pcre *regex_pcre;
pcre_extra *regex_pcre_extra;
#ifdef CONFIG_REGEX_PCRE2
pcre2_code *regex_pcre;
#endif
};

10
twin/compton-tde/common.h
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@ -38,12 +38,10 @@
// #define MONITOR_REPAINT 1
// #define DEBUG_FADE 1
// Whether to enable PCRE regular expression support in blacklists, enabled
// by default
// #define CONFIG_REGEX_PCRE 1
// Whether to enable JIT support of libpcre. This may cause problems on PaX
// kernels.
// #define CONFIG_REGEX_PCRE_JIT 1
// Whether to enable PCRE2 regular expression support in blacklists, enabled by default
// #define CONFIG_REGEX_PCRE2 1
// Whether to enable JIT support of libpcre2. This may cause problems on PaX kernels.
// #define CONFIG_REGEX_PCRE2_JIT 1
// Whether to enable parsing of configuration files using libconfig.
// #define CONFIG_LIBCONFIG 1
// Whether we are using a legacy version of libconfig (1.3.x).

10
twin/compton-tde/compton_config.h.cmake
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@ -1,11 +1,9 @@
#include "config.h"
// Whether to enable PCRE regular expression support in blacklists, enabled
// by default
#cmakedefine CONFIG_REGEX_PCRE 1
// Whether to enable JIT support of libpcre. This may cause problems on PaX
// kernels.
#cmakedefine CONFIG_REGEX_PCRE_JIT 1
// Whether to enable PCRE2 regular expression support in blacklists, enabled by default
#cmakedefine CONFIG_REGEX_PCRE2 1
// Whether to enable JIT support of libpcre2. This may cause problems on PaX kernels.
#cmakedefine CONFIG_REGEX_PCRE2_JIT 1
// Whether to enable parsing of configuration files using libconfig.
#cmakedefine CONFIG_LIBCONFIG 1

4
twin/compton-tde/man/compton-tde.1.html
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@ -1422,7 +1422,7 @@ compton(1) Manual Page
<div class="paragraph"><p><em>FORMAT</em> (optional) specifies the format of the property, 8, 16, or 32. On absence we use format X reports. Do not specify it for predefined or string targets.</p></div>
<div class="paragraph"><p><em>TYPE</em> is a single character representing the type of the property to match for: <tt>c</tt> for <em>CARDINAL</em>, <tt>a</tt> for <em>ATOM</em>, <tt>w</tt> for <em>WINDOW</em>, <tt>d</tt> for <em>DRAWABLE</em>, <tt>s</tt> for <em>STRING</em> (and any other string types, such as <em>UTF8_STRING</em>). Do not specify it for predefined targets.</p></div>
<div class="paragraph"><p><em>OP QUALIFIER</em> (optional), applicable only for equals operator, could be <tt>?</tt> (ignore-case).</p></div>
<div class="paragraph"><p><em>MATCH TYPE</em> (optional), applicable only for equals operator, could be nothing (exact match), <tt>*</tt> (match anywhere), <tt>^</tt> (match from start), <tt>%</tt> (wildcard), or <tt>~</tt> (PCRE regular expression).</p></div>
<div class="paragraph"><p><em>MATCH TYPE</em> (optional), applicable only for equals operator, could be nothing (exact match), <tt>*</tt> (match anywhere), <tt>^</tt> (match from start), <tt>%</tt> (wildcard), or <tt>~</tt> (PCRE2 regular expression).</p></div>
<div class="paragraph"><p><em>OPERATOR</em> is one of <tt>=</tt> (equals), <tt>&lt;</tt>, <tt>&gt;</tt>, <tt>&lt;=</tt>, <tt>=&gt;</tt>, or nothing (exists). Exists operator checks whether a property exists on a window (but for predefined targets, exists means != 0 then).</p></div>
<div class="paragraph"><p><em>PATTERN</em> is either an integer or a string enclosed by single or double quotes. Python-3-style escape sequences and raw string are supported in the string format.</p></div>
<div class="paragraph"><p>Supported logical operators are <tt>&amp;&amp;</tt> (and) and <tt>||</tt> (or). <tt>&amp;&amp;</tt> has higher precedence than <tt>||</tt>, left-to-right associativity. Use parentheses to change precedence.</p></div>
@ -1468,7 +1468,7 @@ name = r"\x64\x64\o64"</tt></pre>
<pre><tt>condition = TARGET:TYPE[FLAGS]:PATTERN</tt></pre>
</div></div>
<div class="paragraph"><p><em>TARGET</em> is one of "n" (window name), "i" (window class instance), "g" (window general class), and "r" (window role).</p></div>
<div class="paragraph"><p><em>TYPE</em> is one of "e" (exact match), "a" (match anywhere), "s" (match from start), "w" (wildcard), and "p" (PCRE regular expressions, if compiled with the support).</p></div>
<div class="paragraph"><p><em>TYPE</em> is one of "e" (exact match), "a" (match anywhere), "s" (match from start), "w" (wildcard), and "p" (PCRE2 regular expressions, if compiled with the support).</p></div>
<div class="paragraph"><p><em>FLAGS</em> could be a series of flags. Currently the only defined flag is "i" (ignore case).</p></div>
<div class="paragraph"><p><em>PATTERN</em> is the actual pattern string.</p></div>
</div>

4
twin/compton-tde/man/compton.1
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@ -659,7 +659,7 @@ With greater\-than/less\-than operators it looks like:
.sp
\fIOP QUALIFIER\fR (optional), applicable only for equals operator, could be ? (ignore\-case)\&.
.sp
\fIMATCH TYPE\fR (optional), applicable only for equals operator, could be nothing (exact match), * (match anywhere), ^ (match from start), % (wildcard), or ~ (PCRE regular expression)\&.
\fIMATCH TYPE\fR (optional), applicable only for equals operator, could be nothing (exact match), * (match anywhere), ^ (match from start), % (wildcard), or ~ (PCRE2 regular expression)\&.
.sp
\fIOPERATOR\fR is one of = (equals), <, >, <=, =>, or nothing (exists)\&. Exists operator checks whether a property exists on a window (but for predefined targets, exists means != 0 then)\&.
.sp
@ -720,7 +720,7 @@ condition = TARGET:TYPE[FLAGS]:PATTERN
.sp
\fITARGET\fR is one of "n" (window name), "i" (window class instance), "g" (window general class), and "r" (window role)\&.
.sp
\fITYPE\fR is one of "e" (exact match), "a" (match anywhere), "s" (match from start), "w" (wildcard), and "p" (PCRE regular expressions, if compiled with the support)\&.
\fITYPE\fR is one of "e" (exact match), "a" (match anywhere), "s" (match from start), "w" (wildcard), and "p" (PCRE2 regular expressions, if compiled with the support)\&.
.sp
\fIFLAGS\fR could be a series of flags\&. Currently the only defined flag is "i" (ignore case)\&.
.sp

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