diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/ECMQtDeclareLoggingCategory.cmake | 118 | ||||
| -rw-r--r-- | modules/ECMQtDeclareLoggingCategory.cpp.in | 11 | ||||
| -rw-r--r-- | modules/ECMQtDeclareLoggingCategory.h.in | 11 | 
3 files changed, 140 insertions, 0 deletions
diff --git a/modules/ECMQtDeclareLoggingCategory.cmake b/modules/ECMQtDeclareLoggingCategory.cmake new file mode 100644 index 00000000..b7f1ad39 --- /dev/null +++ b/modules/ECMQtDeclareLoggingCategory.cmake @@ -0,0 +1,118 @@ +#.rst: +# ECMQtDeclareLoggingCategory +# --------------------------- +# +# Generate declarations for logging categories in Qt5. +# +# :: +# +#   ecm_qt_declare_logging_category(<sources_var> +#                                   HEADER <filename> +#                                   IDENTIFIER <identifier> +#                                   CATEGORY_NAME <category_name> +#                                   [DEFAULT_SEVERITY +#                                        <Debug|Info|Warning| +#                                         Critical|Fatal>]) +# +# A header file, ``<filename>``, will be generated along with a corresponding +# source file, which will be added to ``<sources_var>``. These will provide a +# QLoggingCategory category that can be referred to from C++ code using +# ``<identifier>``, and from the logging configuration using +# ``<category_name>``. +# +# If ``<filename>`` is not absolute, it will be taken relative to the current +# binary directory. +# +# If the code is compiled against Qt 5.4 or later, by default it will only log +# output that is at least the severity specified by ``DEFAULT_SEVERITY``, or +# "Warning" level if ``DEFAULT_SEVERITY`` is not given. Note that, due to a +# bug in Qt 5.5, "Info" may be treated as more severe than "Fatal". +# +# ``<identifier>`` may include namespaces (eg: ``foo::bar::IDENT``). +# +# Since 5.14.0. + +#============================================================================= +# Copyright 2015 Alex Merry <alex.merry@kde.org> +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file COPYING-CMAKE-SCRIPTS for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of extra-cmake-modules, substitute the full +#  License text for the above reference.) + +include(CMakeParseArguments) + +set(_ECM_QT_DECLARE_LOGGING_CATEGORY_TEMPLATE_CPP "${CMAKE_CURRENT_LIST_DIR}/ECMQtDeclareLoggingCategory.cpp.in") +set(_ECM_QT_DECLARE_LOGGING_CATEGORY_TEMPLATE_H   "${CMAKE_CURRENT_LIST_DIR}/ECMQtDeclareLoggingCategory.h.in") + +function(ecm_qt_declare_logging_category sources_var) +    set(options) +    set(oneValueArgs HEADER IDENTIFIER CATEGORY_NAME DEFAULT_SEVERITY) +    set(multiValueArgs) +    cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) + +    if(ARG_UNPARSED_ARGUMENTS) +        message(FATAL_ERROR "Unexpected arguments to ecm_qt_declare_logging_category: ${ARG_UNPARSED_ARGUMENTS}") +    endif() +    if(NOT ARG_HEADER) +        message(FATAL_ERROR "Missing HEADER argument for ecm_qt_declare_logging_category") +    endif() +    if(NOT ARG_IDENTIFIER) +        message(FATAL_ERROR "Missing IDENTIFIER argument for ecm_qt_declare_logging_category") +    endif() +    if(NOT ARG_CATEGORY_NAME) +        message(FATAL_ERROR "Missing CATEGORY_NAME argument for ecm_qt_declare_logging_category") +    endif() +    if(NOT ARG_DEFAULT_SEVERITY) +        set(ARG_DEFAULT_SEVERITY Warning) +    else() +        set(acceptible_severities Debug Info Warning Critical Fatal) +        list(FIND acceptible_severities "${ARG_DEFAULT_SEVERITY}" pos) +        if (pos EQUAL -1) +            message(FATAL_ERROR "Unknown DEFAULT_SEVERITY ${pos}") +        endif() +    endif() + +    if (NOT IS_ABSOLUTE "${ARG_HEADER}") +        set(ARG_HEADER "${CMAKE_CURRENT_BINARY_DIR}/${ARG_HEADER}") +    endif() + +    string(REPLACE "::" ";" namespaces "${ARG_IDENTIFIER}") +    list(LENGTH namespaces len) +    math(EXPR last_pos "${len} - 1") +    list(GET namespaces ${last_pos} IDENTIFIER) +    list(REMOVE_AT namespaces ${last_pos}) + +    set(OPEN_NAMESPACES) +    set(CLOSE_NAMESPACES) +    foreach(ns ${namespaces}) +        set(OPEN_NAMESPACES "${OPEN_NAMESPACES} namespace ${ns} {") +        set(CLOSE_NAMESPACES "} ${CLOSE_NAMESPACES}") +    endforeach() + +    string(FIND "${ARG_HEADER}" "." pos REVERSE) +    if (pos EQUAL -1) +        set(cpp_filename "${ARG_HEADER}.cpp") +    else() +        string(SUBSTRING "${ARG_HEADER}" 0 ${pos} cpp_filename) +        set(cpp_filename "${cpp_filename}.cpp") +    endif() + +    get_filename_component(HEADER_NAME "${ARG_HEADER}" NAME) + +    string(REPLACE "::" "_" GUARD_NAME "${ARG_IDENTIFIER}_H") +    string(TOUPPER "${GUARD_NAME}" GUARD_NAME) + +    configure_file("${_ECM_QT_DECLARE_LOGGING_CATEGORY_TEMPLATE_CPP}" "${cpp_filename}") +    configure_file("${_ECM_QT_DECLARE_LOGGING_CATEGORY_TEMPLATE_H}" "${ARG_HEADER}") + +    set(sources "${${sources_var}}") +    list(APPEND sources "${cpp_filename}") +    set(${sources_var} "${sources}" PARENT_SCOPE) +endfunction() + diff --git a/modules/ECMQtDeclareLoggingCategory.cpp.in b/modules/ECMQtDeclareLoggingCategory.cpp.in new file mode 100644 index 00000000..20c14af5 --- /dev/null +++ b/modules/ECMQtDeclareLoggingCategory.cpp.in @@ -0,0 +1,11 @@ +// This file is autogenerated by CMake: DO NOT EDIT + +#include "@HEADER_NAME@" + +@OPEN_NAMESPACES@ +#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0) +Q_LOGGING_CATEGORY(@IDENTIFIER@, "@ARG_CATEGORY_NAME@", Qt@ARG_DEFAULT_SEVERITY@Msg) +#else +Q_LOGGING_CATEGORY(@IDENTIFIER@, "@ARG_CATEGORY_NAME@") +#endif +@CLOSE_NAMESPACES@ diff --git a/modules/ECMQtDeclareLoggingCategory.h.in b/modules/ECMQtDeclareLoggingCategory.h.in new file mode 100644 index 00000000..fedecd2f --- /dev/null +++ b/modules/ECMQtDeclareLoggingCategory.h.in @@ -0,0 +1,11 @@ +// This file is autogenerated by CMake: DO NOT EDIT + +#ifndef @GUARD_NAME@ +#define @GUARD_NAME@ + +#include <QLoggingCategory> +@OPEN_NAMESPACES@ +Q_DECLARE_LOGGING_CATEGORY(@IDENTIFIER@) +@CLOSE_NAMESPACES@ + +#endif  | 
