Theme: add JSON config support

src/modules/theme/option.h

@@ -0,0 +1,11 @@
+#pragma once
+
+// This file will be included in "fastfetch.h", do NOT put unnecessary things here
+
+#include "common/option.h"
+
+typedef struct FFThemeOptions
+{
+    const char* moduleName;
+    FFModuleArgs moduleArgs;
+} FFThemeOptions;

src/modules/theme/theme.c

@@ -0,0 +1,72 @@
+#include "fastfetch.h"
+#include "common/printing.h"
+#include "detection/theme/theme.h"
+#include "modules/theme/theme.h"
+
+#define FF_THEME_NUM_FORMAT_ARGS 1
+
+void ffPrintTheme(FFinstance* instance, FFThemeOptions* options)
+{
+    FF_STRBUF_AUTO_DESTROY theme = ffStrbufCreate();
+    const char* error = ffDetectTheme(instance, &theme);
+
+    if(error)
+    {
+        ffPrintError(instance, FF_THEME_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        return;
+    }
+
+    if(options->moduleArgs.outputFormat.length == 0)
+    {
+        ffPrintLogoAndKey(instance, FF_THEME_MODULE_NAME, 0, &options->moduleArgs.key);
+        ffStrbufPutTo(&theme, stdout);
+    }
+    else
+    {
+        ffPrintFormat(instance, FF_THEME_MODULE_NAME, 0, &options->moduleArgs, FF_THEME_NUM_FORMAT_ARGS, (FFformatarg[]){
+            {FF_FORMAT_ARG_TYPE_STRBUF, &theme}
+        });
+    }
+}
+
+void ffInitThemeOptions(FFThemeOptions* options)
+{
+    options->moduleName = FF_THEME_MODULE_NAME;
+    ffOptionInitModuleArg(&options->moduleArgs);
+}
+
+bool ffParseThemeCommandOptions(FFThemeOptions* options, const char* key, const char* value)
+{
+    const char* subKey = ffOptionTestPrefix(key, FF_THEME_MODULE_NAME);
+    if (!subKey) return false;
+    if (ffOptionParseModuleArgs(key, subKey, value, &options->moduleArgs))
+        return true;
+
+    return false;
+}
+
+void ffDestroyThemeOptions(FFThemeOptions* options)
+{
+    ffOptionDestroyModuleArg(&options->moduleArgs);
+}
+
+#ifdef FF_HAVE_JSONC
+void ffParseThemeJsonObject(FFinstance* instance, json_object* module)
+{
+    FFThemeOptions __attribute__((__cleanup__(ffDestroyThemeOptions))) options;
+    ffInitThemeOptions(&options);
+
+    if (module)
+    {
+        json_object_object_foreach(module, key, val)
+        {
+            if (ffJsonConfigParseModuleArgs(key, val, &options.moduleArgs))
+                continue;
+
+            ffPrintError(instance, FF_THEME_MODULE_NAME, 0, &options.moduleArgs, "Unknown JSON key %s", key);
+        }
+    }
+
+    ffPrintTheme(instance, &options);
+}
+#endif

src/modules/theme/theme.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "fastfetch.h"
+
+#define FF_THEME_MODULE_NAME "Theme"
+
+void ffPrintTheme(FFinstance* instance, FFThemeOptions* options);
+void ffInitThemeOptions(FFThemeOptions* options);
+bool ffParseThemeCommandOptions(FFThemeOptions* options, const char* key, const char* value);
+void ffDestroyThemeOptions(FFThemeOptions* options);
+
+#ifdef FF_HAVE_JSONC
+#include "common/jsonconfig.h"
+void ffParseThemeJsonObject(FFinstance* instance, json_object* module);
+#endif