Fixed bad name truncations, fixes #861

This commit is contained in:
emeric
2026-07-12 12:09:12 +02:00
parent 8daa4a2e7b
commit 0cd6b1251a
16 changed files with 80 additions and 30 deletions
+9
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@@ -341,6 +341,15 @@ namespace lms::core::stringUtils
return str.substr(0, str.find_last_not_of(whitespaces) + 1);
}
std::string_view utf8Truncate(std::string_view str, std::size_t maxBytes)
{
std::size_t len{ std::min(maxBytes, str.size()) };
while (len > 0 && len < str.size() && (static_cast<unsigned char>(str[len]) & 0xC0) == 0x80)
--len;
return str.substr(0, len);
}
std::string stringToLower(std::string_view str)
{
std::string res;
+3
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@@ -54,6 +54,9 @@ namespace lms::core::stringUtils
[[nodiscard]] std::string_view stringTrim(std::string_view str, std::string_view whitespaces = " \t\r");
[[nodiscard]] std::string_view stringTrimEnd(std::string_view str, std::string_view whitespaces = " \t\r");
// Like str.substr(0, maxBytes), but takes utf8 into account to properly truncate
[[nodiscard]] std::string_view utf8Truncate(std::string_view str, std::size_t maxBytes);
[[nodiscard]] std::string stringToLower(std::string_view str);
void stringToLower(std::string& str);
[[nodiscard]] std::string stringToUpper(const std::string& str);
+25
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@@ -387,6 +387,31 @@ namespace lms::core::stringUtils::tests
EXPECT_FALSE(stringEndsWith("FooBar", "R"));
}
TEST(StringUtils, utf8Truncate)
{
EXPECT_EQ(utf8Truncate("abc", 10), "abc");
EXPECT_EQ(utf8Truncate("abcdef", 6), "abcdef");
EXPECT_EQ(utf8Truncate("", 10), "");
EXPECT_EQ(utf8Truncate("abc", 0), "");
EXPECT_EQ(utf8Truncate("caf\xC3\xA9", 4), "caf");
EXPECT_EQ(utf8Truncate("caf\xC3\xA9", 5), "caf\xC3\xA9");
EXPECT_EQ(utf8Truncate("\xE2\x82\xAC", 1), "");
EXPECT_EQ(utf8Truncate("\xE2\x82\xAC", 2), "");
EXPECT_EQ(utf8Truncate("\xE2\x82\xAC", 3), "\xE2\x82\xAC");
EXPECT_EQ(utf8Truncate("\xF0\x9F\x98\x80", 1), "");
EXPECT_EQ(utf8Truncate("\xF0\x9F\x98\x80", 2), "");
EXPECT_EQ(utf8Truncate("\xF0\x9F\x98\x80", 3), "");
EXPECT_EQ(utf8Truncate("\xF0\x9F\x98\x80", 4), "\xF0\x9F\x98\x80");
EXPECT_EQ(utf8Truncate("e\xCC\x81", 2), "e");
EXPECT_EQ(utf8Truncate("e\xCC\x81", 3), "e\xCC\x81");
EXPECT_EQ(utf8Truncate("\x80\x80\x80", 2), "");
}
TEST(StringUtils, stringCaseInsensitiveContains)
{
EXPECT_TRUE(stringCaseInsensitiveContains("FooBar", "Bar"));
+5 -4
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@@ -22,6 +22,8 @@
#include <Wt/Dbo/WtSqlTraits.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artwork.hpp"
#include "database/objects/Cluster.hpp"
@@ -304,8 +306,7 @@ namespace lms::db
{
session.checkReadTransaction();
if (name.size() > maxNameLength)
name = name.substr(0, maxNameLength);
name = core::stringUtils::utf8Truncate(name, maxNameLength);
return utils::fetchQueryResults<Artist::pointer>(session.getDboSession()->query<Wt::Dbo::ptr<Artist>>("SELECT a FROM artist a").where("a.name = ?").bind(name).orderBy("LENGTH(a.mbid) DESC")); // put mbid entries first
}
@@ -473,13 +474,13 @@ AND NOT EXISTS (
void Artist::setName(std::string_view name)
{
_name.assign(name, 0, maxNameLength);
_name = core::stringUtils::utf8Truncate(name, maxNameLength);
LMS_LOG_IF(DB, WARNING, name.size() > maxNameLength, "Artist name too long, truncated to '" << _name << "'");
}
void Artist::setSortName(std::string_view sortName)
{
_sortName.assign(sortName, 0, maxNameLength);
_sortName = core::stringUtils::utf8Truncate(sortName, maxNameLength);
LMS_LOG_IF(DB, WARNING, sortName.size() > maxNameLength, "Artist sort name too long, truncated to '" << _sortName << "'");
}
+3 -3
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@@ -22,6 +22,7 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
@@ -114,7 +115,7 @@ namespace lms::db
} // namespace
Genre::Genre(std::string_view name)
: _name{ name.substr(0, maxNameLength) }
: _name{ core::stringUtils::utf8Truncate(name, maxNameLength) }
{
LMS_LOG_IF(DB, WARNING, name.size() > maxNameLength, "Genre name too long, truncated to '" << _name << "'");
}
@@ -161,8 +162,7 @@ namespace lms::db
{
session.checkReadTransaction();
if (name.size() > maxNameLength)
name = name.substr(0, maxNameLength);
name = core::stringUtils::utf8Truncate(name, maxNameLength);
return utils::fetchQuerySingleResult(session.getDboSession()->find<Genre>().where("name = ?").bind(name));
}
+3 -3
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@@ -22,6 +22,7 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
@@ -114,7 +115,7 @@ namespace lms::db
} // namespace
Grouping::Grouping(std::string_view name)
: _name{ name.substr(0, maxNameLength) }
: _name{ core::stringUtils::utf8Truncate(name, maxNameLength) }
{
LMS_LOG_IF(DB, WARNING, name.size() > maxNameLength, "Grouping name too long, truncated to '" << _name << "'");
}
@@ -161,8 +162,7 @@ namespace lms::db
{
session.checkReadTransaction();
if (name.size() > maxNameLength)
name = name.substr(0, maxNameLength);
name = core::stringUtils::utf8Truncate(name, maxNameLength);
return utils::fetchQuerySingleResult(session.getDboSession()->find<Grouping>().where("name = ?").bind(name));
}
+3 -3
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@@ -22,6 +22,7 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
@@ -114,7 +115,7 @@ namespace lms::db
} // namespace
Language::Language(std::string_view name)
: _name{ name.substr(0, maxNameLength) }
: _name{ core::stringUtils::utf8Truncate(name, maxNameLength) }
{
LMS_LOG_IF(DB, WARNING, name.size() > maxNameLength, "Language name too long, truncated to '" << _name << "'");
}
@@ -161,8 +162,7 @@ namespace lms::db
{
session.checkReadTransaction();
if (name.size() > maxNameLength)
name = name.substr(0, maxNameLength);
name = core::stringUtils::utf8Truncate(name, maxNameLength);
return utils::fetchQuerySingleResult(session.getDboSession()->find<Language>().where("name = ?").bind(name));
}
@@ -21,6 +21,8 @@
#include <Wt/Dbo/Impl.h>
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Genre.hpp"
#include "database/objects/Grouping.hpp"
@@ -38,7 +40,7 @@ DBO_INSTANTIATE_TEMPLATES(lms::db::MediaLibrary)
namespace lms::db
{
MediaLibrary::MediaLibrary(std::string_view name, const std::filesystem::path& p)
: _name{ std::string{ name, 0, maxNameLength } }
: _name{ core::stringUtils::utf8Truncate(name, maxNameLength) }
{
setPath(p);
}
+3 -3
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@@ -22,6 +22,7 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
@@ -114,7 +115,7 @@ namespace lms::db
} // namespace
Mood::Mood(std::string_view name)
: _name{ name.substr(0, maxNameLength) }
: _name{ core::stringUtils::utf8Truncate(name, maxNameLength) }
{
LMS_LOG_IF(DB, WARNING, name.size() > maxNameLength, "Mood name too long, truncated to '" << _name << "'");
}
@@ -161,8 +162,7 @@ namespace lms::db
{
session.checkReadTransaction();
if (name.size() > maxNameLength)
name = name.substr(0, maxNameLength);
name = core::stringUtils::utf8Truncate(name, maxNameLength);
return utils::fetchQuerySingleResult(session.getDboSession()->find<Mood>().where("name = ?").bind(name));
}
+2 -1
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@@ -22,6 +22,7 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
@@ -48,7 +49,7 @@ DBO_INSTANTIATE_TEMPLATES(lms::db::Movement)
namespace lms::db
{
Movement::Movement(std::string_view name, std::optional<std::size_t> number, std::optional<std::size_t> count, const ObjectPtr<Track>& track)
: _name{ name.substr(0, maxNameLength) }
: _name{ core::stringUtils::utf8Truncate(name, maxNameLength) }
, _number{ number }
, _count{ count }
, _track{ getDboPtr(track) }
@@ -23,6 +23,8 @@
#include <Wt/Dbo/WtSqlTraits.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artwork.hpp"
#include "database/objects/Directory.hpp"
@@ -171,7 +173,7 @@ namespace lms::db
void PlayListFile::setName(std::string_view name)
{
_name = std::string{ name, 0, _maxNameLength };
_name = core::stringUtils::utf8Truncate(name, _maxNameLength);
LMS_LOG_IF(DB, WARNING, name.size() > _maxNameLength, "PlaylistFile name too long, truncated to '" << _name << "'");
}
+3 -1
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@@ -23,6 +23,8 @@
#include <Wt/Dbo/WtSqlTraits.h>
#include "core/PartialDateTime.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/Types.hpp"
#include "database/objects/Artist.hpp"
@@ -491,7 +493,7 @@ namespace lms::db
}
Release::Release(const std::string& name, const std::optional<core::UUID>& MBID)
: _name{ std::string(name, 0, _maxNameLength) }
: _name{ core::stringUtils::utf8Truncate(name, _maxNameLength) }
, _MBID{ MBID }
{
}
@@ -22,6 +22,8 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
#include "database/objects/Genre.hpp"
@@ -149,13 +151,13 @@ namespace lms::db
void ReleaseArtistLink::setArtistName(std::string_view artistName)
{
_artistName.assign(artistName, 0, Artist::maxNameLength);
_artistName = core::stringUtils::utf8Truncate(artistName, Artist::maxNameLength);
LMS_LOG_IF(DB, WARNING, artistName.size() > Artist::maxNameLength, "Artist link name too long, truncated to '" << _artistName << "'");
}
void ReleaseArtistLink::setArtistSortName(std::string_view artistSortName)
{
_artistSortName.assign(artistSortName, 0, Artist::maxNameLength);
_artistSortName = core::stringUtils::utf8Truncate(artistSortName, Artist::maxNameLength);
LMS_LOG_IF(DB, WARNING, artistSortName.size() > Artist::maxNameLength, "Artist link sort name too long, truncated to '" << _artistSortName << "'");
}
} // namespace lms::db
+4 -3
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@@ -23,6 +23,7 @@
#include <Wt/Dbo/WtSqlTraits.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/Types.hpp"
@@ -614,19 +615,19 @@ namespace lms::db
void Track::setName(std::string_view name)
{
_name = std::string{ name, 0, _maxNameLength };
_name = core::stringUtils::utf8Truncate(name, _maxNameLength);
LMS_LOG_IF(DB, WARNING, name.size() > _maxNameLength, "Track name too long, truncated to '" << _name << "'");
}
void Track::setCopyright(std::string_view copyright)
{
_copyright = std::string{ copyright, 0, _maxCopyrightLength };
_copyright = core::stringUtils::utf8Truncate(copyright, _maxCopyrightLength);
LMS_LOG_IF(DB, WARNING, copyright.size() > _maxCopyrightLength, "Track copyright too long, truncated to '" << _copyright << "'");
}
void Track::setCopyrightURL(std::string_view copyrightURL)
{
_copyrightURL = std::string{ copyrightURL, 0, _maxCopyrightURLLength };
_copyrightURL = core::stringUtils::utf8Truncate(copyrightURL, _maxCopyrightURLLength);
LMS_LOG_IF(DB, WARNING, copyrightURL.size() > _maxCopyrightURLLength, "Track copyright URL too long, truncated to '" << _copyrightURL << "'");
}
@@ -22,6 +22,8 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
#include "database/objects/Genre.hpp"
@@ -191,13 +193,13 @@ namespace lms::db
void TrackArtistLink::setArtistName(std::string_view artistName)
{
_artistName.assign(artistName, 0, Artist::maxNameLength);
_artistName = core::stringUtils::utf8Truncate(artistName, Artist::maxNameLength);
LMS_LOG_IF(DB, WARNING, artistName.size() > Artist::maxNameLength, "Artist link name too long, truncated to '" << _artistName << "'");
}
void TrackArtistLink::setArtistSortName(std::string_view artistSortName)
{
_artistSortName.assign(artistSortName, 0, Artist::maxNameLength);
_artistSortName = core::stringUtils::utf8Truncate(artistSortName, Artist::maxNameLength);
LMS_LOG_IF(DB, WARNING, artistSortName.size() > Artist::maxNameLength, "Artist link sort name too long, truncated to '" << _artistSortName << "'");
}
} // namespace lms::db
+3 -3
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@@ -22,6 +22,7 @@
#include <Wt/Dbo/Impl.h>
#include "core/ILogger.hpp"
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Artist.hpp"
@@ -58,7 +59,7 @@ namespace lms::db
void Work::setName(std::string_view name)
{
_name = name.substr(0, maxNameLength);
_name = core::stringUtils::utf8Truncate(name, maxNameLength);
LMS_LOG_IF(DB, WARNING, name.size() > maxNameLength, "Work name too long, truncated to '" << _name << "'");
}
@@ -84,8 +85,7 @@ namespace lms::db
{
session.checkReadTransaction();
if (name.size() > maxNameLength)
name = name.substr(0, maxNameLength);
name = core::stringUtils::utf8Truncate(name, maxNameLength);
auto query{
session.getDboSession()->query<Wt::Dbo::ptr<Work>>("SELECT w FROM work w")