Host: support JSON config

src/modules/host/host.c

@@ -0,0 +1,108 @@
+#include "fastfetch.h"
+#include "common/printing.h"
+#include "detection/host/host.h"
+#include "modules/host/host.h"
+
+#define FF_HOST_MODULE_NAME "Host"
+#define FF_HOST_NUM_FORMAT_ARGS 5
+
+void ffPrintHost(FFinstance* instance, FFHostOptions* options)
+{
+    const FFHostResult* host = ffDetectHost();
+
+    if(host->error.length > 0)
+    {
+        ffPrintError(instance, FF_HOST_MODULE_NAME, 0, &options->moduleArgs, "%*s", host->error.length, host->error.chars);
+        return;
+    }
+
+    if(host->productFamily.length == 0 && host->productName.length == 0)
+    {
+        ffPrintError(instance, FF_HOST_MODULE_NAME, 0, &options->moduleArgs, "neither product_family nor product_name is set by O.E.M.");
+        return;
+    }
+
+    if(options->moduleArgs.outputFormat.length == 0)
+    {
+        ffPrintLogoAndKey(instance, FF_HOST_MODULE_NAME, 0, &options->moduleArgs.key);
+
+        FFstrbuf output;
+        ffStrbufInit(&output);
+
+        if(host->productName.length > 0)
+            ffStrbufAppend(&output, &host->productName);
+        else
+            ffStrbufAppend(&output, &host->productFamily);
+
+        if(host->productVersion.length > 0 && !ffStrbufIgnCaseEqualS(&host->productVersion, "none"))
+        {
+            ffStrbufAppendF(&output, " (%s)", host->productVersion.chars);
+        }
+
+        ffStrbufPutTo(&output, stdout);
+
+        ffStrbufDestroy(&output);
+    }
+    else
+    {
+        ffPrintFormat(instance, FF_HOST_MODULE_NAME, 0, &options->moduleArgs, FF_HOST_NUM_FORMAT_ARGS, (FFformatarg[]) {
+            {FF_FORMAT_ARG_TYPE_STRBUF, &host->productFamily},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &host->productName},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &host->productVersion},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &host->productSku},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &host->sysVendor}
+        });
+    }
+}
+
+void ffInitHostOptions(FFHostOptions* options)
+{
+    options->moduleName = FF_HOST_MODULE_NAME;
+    ffOptionInitModuleArg(&options->moduleArgs);
+}
+
+bool ffParseHostCommandOptions(FFHostOptions* options, const char* key, const char* value)
+{
+    const char* subKey = ffOptionTestPrefix(key, FF_HOST_MODULE_NAME);
+    if (!subKey) return false;
+    if (ffOptionParseModuleArgs(key, subKey, value, &options->moduleArgs))
+        return true;
+
+    return false;
+}
+
+void ffDestroyHostOptions(FFHostOptions* options)
+{
+    ffOptionDestroyModuleArg(&options->moduleArgs);
+}
+
+#ifdef FF_HAVE_JSONC
+bool ffParseHostJsonObject(FFinstance* instance, const char* type, JSONCData* data, json_object* module)
+{
+    if (strcasecmp(type, FF_HOST_MODULE_NAME) != 0)
+        return false;
+
+    FFHostOptions __attribute__((__cleanup__(ffDestroyHostOptions))) options;
+    ffInitHostOptions(&options);
+
+    if (module)
+    {
+        struct lh_entry* entry;
+        lh_foreach(data->ffjson_object_get_object(module), entry)
+        {
+            const char* key = (const char *)lh_entry_k(entry);
+            if (strcasecmp(key, "type") == 0)
+                continue;
+            json_object* val = (struct json_object *)lh_entry_v(entry);
+
+            if (ffJsonConfigParseModuleArgs(data, key, val, &options.moduleArgs))
+                continue;
+
+            ffPrintError(instance, FF_HOST_MODULE_NAME, 0, &options.moduleArgs, "Unknown JSON key %s", key);
+        }
+    }
+
+    ffPrintHost(instance, &options);
+    return true;
+}
+#endif

src/modules/host/host.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "fastfetch.h"
+#include "modules/host/option.h"
+
+void ffPrintHost(FFinstance* instance, FFHostOptions* options);
+void ffInitHostOptions(FFHostOptions* options);
+bool ffParseHostCommandOptions(FFHostOptions* options, const char* key, const char* value);
+void ffDestroyHostOptions(FFHostOptions* options);
+
+#ifdef FF_HAVE_JSONC
+#include "common/config.h"
+bool ffParseHostJsonObject(FFinstance* instance, const char* type, JSONCData* data, json_object* module);
+#endif

src/modules/host/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 FFHostOptions
+{
+    const char* moduleName;
+    FFModuleArgs moduleArgs;
+} FFHostOptions;