Shell: add JSON config support

src/modules/shell/option.h

@@ -0,0 +1,13 @@
+#pragma once
+
+// This file will be included in "fastfetch.h", do NOT put unnecessary things here
+
+#include "common/option.h"
+
+typedef struct FFShellOptions
+{
+    const char* moduleName;
+    FFModuleArgs moduleArgs;
+
+    bool version;
+} FFShellOptions;

src/modules/shell/shell.c

@@ -0,0 +1,99 @@
+#include "fastfetch.h"
+#include "common/printing.h"
+#include "detection/terminalshell/terminalshell.h"
+#include "modules/shell/shell.h"
+
+#define FF_SHELL_NUM_FORMAT_ARGS 7
+
+void ffPrintShell(FFinstance* instance, FFShellOptions* options)
+{
+    const FFTerminalShellResult* result = ffDetectTerminalShell(instance);
+
+    if(result->shellProcessName.length == 0)
+    {
+        ffPrintError(instance, FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, "Couldn't detect shell");
+        return;
+    }
+
+    if(options->moduleArgs.outputFormat.length == 0)
+    {
+        ffPrintLogoAndKey(instance, FF_SHELL_MODULE_NAME, 0, &options->moduleArgs.key);
+        ffStrbufWriteTo(&result->shellPrettyName, stdout);
+
+        if(result->shellVersion.length > 0)
+        {
+            putchar(' ');
+            ffStrbufWriteTo(&result->shellVersion, stdout);
+        }
+
+        putchar('\n');
+    }
+    else
+    {
+        ffPrintFormat(instance, FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, FF_SHELL_NUM_FORMAT_ARGS, (FFformatarg[]) {
+            {FF_FORMAT_ARG_TYPE_STRBUF, &result->shellProcessName},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &result->shellExe},
+            {FF_FORMAT_ARG_TYPE_STRING, result->shellExeName},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &result->shellVersion},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &result->userShellExe},
+            {FF_FORMAT_ARG_TYPE_STRING, result->userShellExeName},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &result->userShellVersion}
+        });
+    }
+}
+
+void ffInitShellOptions(FFShellOptions* options)
+{
+    options->moduleName = FF_SHELL_MODULE_NAME;
+    ffOptionInitModuleArg(&options->moduleArgs);
+
+    options->version = true;
+}
+
+bool ffParseShellCommandOptions(FFShellOptions* options, const char* key, const char* value)
+{
+    const char* subKey = ffOptionTestPrefix(key, FF_SHELL_MODULE_NAME);
+    if (!subKey) return false;
+    if (ffOptionParseModuleArgs(key, subKey, value, &options->moduleArgs))
+        return true;
+
+    if (strcasecmp(subKey, "version") == 0)
+    {
+        options->version = ffOptionParseBoolean(value);
+        return true;
+    }
+
+    return false;
+}
+
+void ffDestroyShellOptions(FFShellOptions* options)
+{
+    ffOptionDestroyModuleArg(&options->moduleArgs);
+}
+
+#ifdef FF_HAVE_JSONC
+void ffParseShellJsonObject(FFinstance* instance, json_object* module)
+{
+    FFShellOptions __attribute__((__cleanup__(ffDestroyShellOptions))) options;
+    ffInitShellOptions(&options);
+
+    if (module)
+    {
+        json_object_object_foreach(module, key, val)
+        {
+            if (ffJsonConfigParseModuleArgs(key, val, &options.moduleArgs))
+                continue;
+
+            if (strcasecmp(key, "version") == 0)
+            {
+                options.version = (bool) json_object_get_boolean(val);
+                continue;
+            }
+
+            ffPrintError(instance, FF_SHELL_MODULE_NAME, 0, &options.moduleArgs, "Unknown JSON key %s", key);
+        }
+    }
+
+    ffPrintShell(instance, &options);
+}
+#endif

src/modules/shell/shell.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "fastfetch.h"
+
+#define FF_SHELL_MODULE_NAME "Shell"
+
+void ffPrintShell(FFinstance* instance, FFShellOptions* options);
+void ffInitShellOptions(FFShellOptions* options);
+bool ffParseShellCommandOptions(FFShellOptions* options, const char* key, const char* value);
+void ffDestroyShellOptions(FFShellOptions* options);
+
+#ifdef FF_HAVE_JSONC
+#include "common/jsonconfig.h"
+void ffParseShellJsonObject(FFinstance* instance, json_object* module);
+#endif