libdeng2: Added LegacyCore_LogAs() to the C wrapper API

doomsday/libdeng2/include/de/c_wrapper.h

@@ -80,6 +80,7 @@ DENG2_PUBLIC void LegacyCore_Stop(int exitCode);
 DENG2_PUBLIC void LegacyCore_Timer(unsigned int milliseconds, void (*callback)(void));
 DENG2_PUBLIC int LegacyCore_SetLogFile(const char* filePath);
 DENG2_PUBLIC const char* LegacyCore_LogFile();
+DENG2_PUBLIC void LegacyCore_LogAs(const char* sectionName);
 DENG2_PUBLIC void LegacyCore_PrintLogFragment(const char* text);
 DENG2_PUBLIC void LegacyCore_PrintfLogFragmentAtLevel(legacycore_loglevel_t level, const char* format, ...);
 DENG2_PUBLIC void LegacyCore_SetTerminateFunc(void (*func)(const char*));

doomsday/libdeng2/include/de/core/log.h

@@ -41,7 +41,7 @@
 /// a new log section with a std::string variable based name.
 #define LOG_AS_STRING(str) \
     de::String __logSectionName = str; \
-    LOG_AS(__logSectionName.c_str());
+    LOG_AS(__logSectionName.toAscii().constData());
 
 #define LOG_TRACE(str)      LOG().enter(de::Log::TRACE, str)
 #define LOG_DEBUG(str)      LOG().enter(de::Log::DEBUG, str)

doomsday/libdeng2/include/de/legacy/legacycore.h

@@ -23,6 +23,7 @@
 #include "../libdeng2.h"
 #include "../App"
 #include "../Log"
+#include "../String"
 
 namespace de {
 
@@ -120,6 +121,15 @@ class DENG2_PUBLIC LegacyCore : public QObject
      */
     const char* logFileName() const;
 
+    /**
+     * Begins a new section in the log. Sections can be nested.
+     *
+     * @param sectionName  Name of the section. No copy of this string is made,
+     *                     so it must exist while the section is in use.
+     */
+    void logAs(const char* sectionName);
+    void logAs(const String sectionName);
+
     /**
      * Prints a fragment of text to the output log. The output is added to the log
      * only when a complete line has been printed (i.e., newline character required).

doomsday/libdeng2/src/c_wrapper.cpp

@@ -119,6 +119,11 @@ const char* LegacyCore_LogFile()
     return DENG2_LEGACYCORE().logFileName();
 }
 
+void LegacyCore_LogAs(const char* sectionName)
+{
+    DENG2_LEGACYCORE().logAs(sectionName);
+}
+
 void LegacyCore_PrintLogFragment(const char* text)
 {
     DENG2_LEGACYCORE().printLogFragment(text);

doomsday/libdeng2/src/legacy/legacycore.cpp

@@ -218,6 +218,16 @@ const char *LegacyCore::logFileName() const
     return d->logName.c_str();
 }
 
+void LegacyCore::logAs(const char* sectionName)
+{
+    LOG_AS(sectionName);
+}
+
+void LegacyCore::logAs(const String sectionName)
+{
+    LOG_AS_STRING(sectionName);
+}
+
 void LegacyCore::printLogFragment(const char* text, Log::LogLevel level)
 {
     d->currentLogLine += text;