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authorMax Kellermann <max@duempel.org>2014-12-03 21:39:45 +0100
committerMax Kellermann <max@duempel.org>2014-12-04 09:14:28 +0100
commite69bef3ce389967b8239648e4b9eaec42217bc95 (patch)
tree603870b6d042017c7a93f1909afc91395cf1415b
parentc1c0fc79bcdc9caabe42fc3716ea2e2ea7b3eb3d (diff)
downloadmpd-e69bef3ce389967b8239648e4b9eaec42217bc95.tar.gz
mpd-e69bef3ce389967b8239648e4b9eaec42217bc95.tar.xz
mpd-e69bef3ce389967b8239648e4b9eaec42217bc95.zip
util/SplitString: new utility class
Replaces GLib's g_strsplit().
Diffstat (limited to '')
-rw-r--r--Makefile.am2
-rw-r--r--configure.ac10
-rw-r--r--src/output/plugins/AoOutputPlugin.cxx12
-rw-r--r--src/output/plugins/JackOutputPlugin.cxx30
-rw-r--r--src/util/SplitString.cxx59
-rw-r--r--src/util/SplitString.hxx39
-rw-r--r--test/SplitStringTest.hxx65
-rw-r--r--test/test_util.cxx2
8 files changed, 185 insertions, 34 deletions
diff --git a/Makefile.am b/Makefile.am
index a79c18172..4aa1061e5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -375,6 +375,7 @@ libutil_a_SOURCES = \
src/util/NumberParser.hxx \
src/util/StringUtil.cxx src/util/StringUtil.hxx \
src/util/DivideString.cxx src/util/DivideString.hxx \
+ src/util/SplitString.cxx src/util/SplitString.hxx \
src/util/FormatString.cxx src/util/FormatString.hxx \
src/util/Tokenizer.cxx src/util/Tokenizer.hxx \
src/util/TextFile.hxx \
@@ -2002,6 +2003,7 @@ endif
test_test_util_SOURCES = \
test/DivideStringTest.hxx \
+ test/SplitStringTest.hxx \
test/UriUtilTest.hxx \
test/TestCircularBuffer.hxx \
test/test_util.cxx
diff --git a/configure.ac b/configure.ac
index c45e32dcb..1c4ad43f4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1237,9 +1237,8 @@ fi
AM_CONDITIONAL(ENABLE_HTTPD_OUTPUT, test x$enable_httpd_output = xyes)
dnl ----------------------------------- JACK ----------------------------------
-MPD_ENABLE_AUTO_PKG_DEPENDS(jack, JACK, [jack >= 0.100],
- [JACK output plugin], [libjack not found], [],
- [enable_glib], [Cannot use --enable-jack with --disable-glib])
+MPD_ENABLE_AUTO_PKG(jack, JACK, [jack >= 0.100],
+ [JACK output plugin], [libjack not found])
if test x$enable_jack = xyes; then
# check whether jack_set_info_function() is available
@@ -1252,9 +1251,8 @@ if test x$enable_jack = xyes; then
fi
dnl ---------------------------------- libao ----------------------------------
-MPD_ENABLE_AUTO_PKG_DEPENDS(ao, AO, [ao],
- [libao output plugin], [libao not found], [],
- [enable_glib], [Cannot use --enable-ao with --disable-glib])
+MPD_ENABLE_AUTO_PKG(ao, AO, [ao],
+ [libao output plugin], [libao not found])
dnl ---------------------------------- OpenAL ---------------------------------
AC_SUBST(OPENAL_CFLAGS,"")
diff --git a/src/output/plugins/AoOutputPlugin.cxx b/src/output/plugins/AoOutputPlugin.cxx
index 6faa30b1b..689e7de7c 100644
--- a/src/output/plugins/AoOutputPlugin.cxx
+++ b/src/output/plugins/AoOutputPlugin.cxx
@@ -21,12 +21,12 @@
#include "AoOutputPlugin.hxx"
#include "../OutputAPI.hxx"
#include "util/DivideString.hxx"
+#include "util/SplitString.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include "Log.hxx"
#include <ao/ao.h>
-#include <glib.h>
#include <string.h>
@@ -127,22 +127,18 @@ AoOutput::Configure(const config_param &param, Error &error)
value = param.GetBlockValue("options", nullptr);
if (value != nullptr) {
- gchar **_options = g_strsplit(value, ";", 0);
-
- for (unsigned i = 0; _options[i] != nullptr; ++i) {
- const DivideString ss(_options[i], '=');
+ for (const auto &i : SplitString(value, ';')) {
+ const DivideString ss(i.c_str(), '=');
if (!ss.IsDefined()) {
error.Format(ao_output_domain,
"problems parsing options \"%s\"",
- _options[i]);
+ i.c_str());
return false;
}
ao_append_option(&options, ss.GetFirst(), ss.GetSecond());
}
-
- g_strfreev(_options);
}
return true;
diff --git a/src/output/plugins/JackOutputPlugin.cxx b/src/output/plugins/JackOutputPlugin.cxx
index 5651de68a..777db11bf 100644
--- a/src/output/plugins/JackOutputPlugin.cxx
+++ b/src/output/plugins/JackOutputPlugin.cxx
@@ -21,13 +21,13 @@
#include "JackOutputPlugin.hxx"
#include "../OutputAPI.hxx"
#include "config/ConfigError.hxx"
+#include "util/SplitString.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include "Log.hxx"
#include <assert.h>
-#include <glib.h>
#include <jack/jack.h>
#include <jack/types.h>
#include <jack/ringbuffer.h>
@@ -56,10 +56,10 @@ struct JackOutput {
/* configuration */
- char *source_ports[MAX_PORTS];
+ std::string source_ports[MAX_PORTS];
unsigned num_source_ports;
- char *destination_ports[MAX_PORTS];
+ std::string destination_ports[MAX_PORTS];
unsigned num_destination_ports;
size_t ringbuffer_size;
@@ -261,13 +261,13 @@ mpd_jack_connect(JackOutput *jd, Error &error)
for (unsigned i = 0; i < jd->num_source_ports; ++i) {
jd->ports[i] = jack_port_register(jd->client,
- jd->source_ports[i],
+ jd->source_ports[i].c_str(),
JACK_DEFAULT_AUDIO_TYPE,
JackPortIsOutput, 0);
if (jd->ports[i] == nullptr) {
error.Format(jack_output_domain,
"Cannot register output port \"%s\"",
- jd->source_ports[i]);
+ jd->source_ports[i].c_str());
mpd_jack_disconnect(jd);
return false;
}
@@ -283,23 +283,19 @@ mpd_jack_test_default_device(void)
}
static unsigned
-parse_port_list(const char *source, char **dest, Error &error)
+parse_port_list(const char *source, std::string dest[], Error &error)
{
- char **list = g_strsplit(source, ",", 0);
unsigned n = 0;
-
- for (n = 0; list[n] != nullptr; ++n) {
+ for (auto &&i : SplitString(source, ',')) {
if (n >= MAX_PORTS) {
error.Set(config_domain,
"too many port names");
return 0;
}
- dest[n] = list[n];
+ dest[n++] = std::move(i);
}
- g_free(list);
-
if (n == 0) {
error.Format(config_domain,
"at least one port name expected");
@@ -392,12 +388,6 @@ mpd_jack_finish(AudioOutput *ao)
{
JackOutput *jd = (JackOutput *)ao;
- for (unsigned i = 0; i < jd->num_source_ports; ++i)
- g_free(jd->source_ports[i]);
-
- for (unsigned i = 0; i < jd->num_destination_ports; ++i)
- g_free(jd->destination_ports[i]);
-
delete jd;
}
@@ -505,8 +495,8 @@ mpd_jack_start(JackOutput *jd, Error &error)
/* use the configured output ports */
num_destination_ports = jd->num_destination_ports;
- memcpy(destination_ports, jd->destination_ports,
- num_destination_ports * sizeof(*destination_ports));
+ for (unsigned i = 0; i < num_destination_ports; ++i)
+ destination_ports[i] = jd->destination_ports[i].c_str();
jports = nullptr;
}
diff --git a/src/util/SplitString.cxx b/src/util/SplitString.cxx
new file mode 100644
index 000000000..0bb1e5165
--- /dev/null
+++ b/src/util/SplitString.cxx
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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.
+ */
+
+#include "SplitString.hxx"
+#include "StringUtil.hxx"
+
+#include <string.h>
+
+std::forward_list<std::string>
+SplitString(const char *s, char separator, bool strip)
+{
+ if (strip)
+ s = StripLeft(s);
+
+ std::forward_list<std::string> list;
+ if (*s == 0)
+ return list;
+
+ auto i = list.before_begin();
+
+ while (true) {
+ const char *next = strchr(s, separator);
+ if (next == nullptr)
+ break;
+
+ const char *end = next++;
+ if (strip)
+ end = StripRight(s, end);
+
+ i = list.emplace_after(i, s, end);
+
+ s = next;
+ if (strip)
+ s = StripLeft(s);
+ }
+
+ const char *end = s + strlen(s);
+ if (strip)
+ end = StripRight(s, end);
+
+ list.emplace_after(i, s, end);
+ return list;
+}
diff --git a/src/util/SplitString.hxx b/src/util/SplitString.hxx
new file mode 100644
index 000000000..bc95cff81
--- /dev/null
+++ b/src/util/SplitString.hxx
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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.
+ */
+
+#ifndef MPD_SPLIT_STRING_HXX
+#define MPD_SPLIT_STRING_HXX
+
+#include <forward_list>
+#include <string>
+
+/**
+ * Split a string at a certain separator character into sub strings
+ * and returns a list of these.
+ *
+ * Two consecutive separator characters result in an empty string in
+ * the list.
+ *
+ * An empty input string, as a special case, results in an empty list
+ * (and not a list with an empty string).
+ */
+std::forward_list<std::string>
+SplitString(const char *s, char separator, bool strip=true);
+
+#endif
diff --git a/test/SplitStringTest.hxx b/test/SplitStringTest.hxx
new file mode 100644
index 000000000..87ed385ea
--- /dev/null
+++ b/test/SplitStringTest.hxx
@@ -0,0 +1,65 @@
+/*
+ * Unit tests for src/util/
+ */
+
+#include "check.h"
+#include "util/SplitString.hxx"
+#include "util/Macros.hxx"
+
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <string.h>
+
+class SplitStringTest : public CppUnit::TestFixture {
+ CPPUNIT_TEST_SUITE(SplitStringTest);
+ CPPUNIT_TEST(TestBasic);
+ CPPUNIT_TEST(TestStrip);
+ CPPUNIT_TEST(TestNoStrip);
+ CPPUNIT_TEST(TestEmpty);
+ CPPUNIT_TEST_SUITE_END();
+
+public:
+ void TestBasic() {
+ constexpr char input[] = "foo.bar";
+ const char *const output[] = { "foo", "bar" };
+ size_t i = 0;
+ for (auto p : SplitString(input, '.')) {
+ CPPUNIT_ASSERT(i < ARRAY_SIZE(output));
+ CPPUNIT_ASSERT(p == output[i]);
+ ++i;
+ }
+
+ CPPUNIT_ASSERT_EQUAL(ARRAY_SIZE(output), i);
+ }
+
+ void TestStrip() {
+ constexpr char input[] = " foo\t.\r\nbar\r\n2";
+ const char *const output[] = { "foo", "bar\r\n2" };
+ size_t i = 0;
+ for (auto p : SplitString(input, '.')) {
+ CPPUNIT_ASSERT(i < ARRAY_SIZE(output));
+ CPPUNIT_ASSERT(p == output[i]);
+ ++i;
+ }
+
+ CPPUNIT_ASSERT_EQUAL(ARRAY_SIZE(output), i);
+ }
+
+ void TestNoStrip() {
+ constexpr char input[] = " foo\t.\r\nbar\r\n2";
+ const char *const output[] = { " foo\t", "\r\nbar\r\n2" };
+ size_t i = 0;
+ for (auto p : SplitString(input, '.', false)) {
+ CPPUNIT_ASSERT(i < ARRAY_SIZE(output));
+ CPPUNIT_ASSERT(p == output[i]);
+ ++i;
+ }
+
+ CPPUNIT_ASSERT_EQUAL(ARRAY_SIZE(output), i);
+ }
+
+ void TestEmpty() {
+ CPPUNIT_ASSERT(SplitString("", '.').empty());
+ }
+};
diff --git a/test/test_util.cxx b/test/test_util.cxx
index e9b49c4da..c2d73d7d9 100644
--- a/test/test_util.cxx
+++ b/test/test_util.cxx
@@ -4,6 +4,7 @@
#include "config.h"
#include "DivideStringTest.hxx"
+#include "SplitStringTest.hxx"
#include "UriUtilTest.hxx"
#include "TestCircularBuffer.hxx"
@@ -15,6 +16,7 @@
#include <stdlib.h>
CPPUNIT_TEST_SUITE_REGISTRATION(DivideStringTest);
+CPPUNIT_TEST_SUITE_REGISTRATION(SplitStringTest);
CPPUNIT_TEST_SUITE_REGISTRATION(UriUtilTest);
CPPUNIT_TEST_SUITE_REGISTRATION(TestCircularBuffer);