Add the files

3 files changed, 217 insertions, 0 deletions

diff --git a/src/modules/os/option.h b/src/modules/os/option.h
new file mode 100644
index 0000000..46c7a1b
--- /dev/null
+++ b/src/modules/os/option.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include "common/option.h"
+
+typedef struct FFOSOptions {
+    FFModuleArgs moduleArgs;
+} FFOSOptions;
+
+static_assert(sizeof(FFOSOptions) <= FF_OPTION_MAX_SIZE, "FFOSOptions size exceeds maximum allowed size");
diff --git a/src/modules/os/os.c b/src/modules/os/os.c
new file mode 100644
index 0000000..e402699
--- /dev/null
+++ b/src/modules/os/os.c
@@ -0,0 +1,197 @@
+#include "common/printing.h"
+#include "common/jsonconfig.h"
+#include "common/option.h"
+#include "common/strutil.h"
+#include "detection/os/os.h"
+#include "modules/os/os.h"
+
+#include <ctype.h>
+
+static void buildOutputDefault(const FFOSResult* os, FFstrbuf* result) {
+    // Create the basic output
+    if (os->name.length > 0) {
+        ffStrbufAppend(result, &os->name);
+    } else if (os->prettyName.length > 0) {
+        ffStrbufAppend(result, &os->prettyName);
+    } else if (os->id.length > 0) {
+        ffStrbufAppend(result, &os->id);
+    } else {
+        ffStrbufAppend(result, &instance.state.platform.sysinfo.name);
+    }
+
+    // Append code name if it is missing
+    if (os->codename.length > 0 && !ffStrbufContainIgnCase(result, &os->codename)) {
+        ffStrbufAppendC(result, ' ');
+        ffStrbufAppend(result, &os->codename);
+    }
+
+    // Append version if it is missing
+    if (os->versionID.length > 0 && !ffStrbufContainIgnCase(result, &os->versionID)) {
+        ffStrbufAppendC(result, ' ');
+        ffStrbufAppend(result, &os->versionID);
+    } else if (os->versionID.length == 0 && os->version.length > 0 && !ffStrbufContainIgnCase(result, &os->version)) {
+        ffStrbufAppendC(result, ' ');
+        ffStrbufAppend(result, &os->version);
+    }
+
+    // Append variant if it is missing
+    if (os->variant.length > 0 && !ffStrbufContainIgnCase(result, &os->variant)) {
+        ffStrbufAppendS(result, " (");
+        ffStrbufAppend(result, &os->variant);
+        ffStrbufAppendC(result, ')');
+    } else if (os->variant.length == 0 && os->variantID.length > 0 && !ffStrbufContainIgnCase(result, &os->variantID)) {
+        ffStrbufAppendS(result, " (");
+        ffStrbufAppend(result, &os->variantID);
+        ffStrbufAppendC(result, ')');
+    }
+}
+
+bool ffPrintOS(FFOSOptions* options) {
+    const FFOSResult* os = ffDetectOS();
+
+    if (os->name.length == 0 && os->prettyName.length == 0 && os->id.length == 0) {
+        ffPrintError(FF_OS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Could not detect OS");
+        return false;
+    }
+
+    FF_STRBUF_AUTO_DESTROY key = ffStrbufCreate();
+
+    if (options->moduleArgs.key.length == 0) {
+        ffStrbufSetStatic(&key, FF_OS_MODULE_NAME);
+    } else {
+        FF_PARSE_FORMAT_STRING_CHECKED(&key, &options->moduleArgs.key, ((FFformatarg[]) {
+                                                                           FF_ARG(instance.state.platform.sysinfo.name, "sysname"),
+                                                                           FF_ARG(os->name, "name"),
+                                                                           FF_ARG(options->moduleArgs.keyIcon, "icon"),
+                                                                       }));
+    }
+
+    if (options->moduleArgs.outputFormat.length == 0) {
+        FF_STRBUF_AUTO_DESTROY result = ffStrbufCreate();
+
+        if (os->prettyName.length > 0) {
+            ffStrbufAppend(&result, &os->prettyName);
+        } else {
+            buildOutputDefault(os, &result);
+        }
+
+        // Append architecture if it is missing
+        if (!ffStrbufContainIgnCase(&result, &instance.state.platform.sysinfo.architecture)) {
+            ffStrbufAppendC(&result, ' ');
+            ffStrbufAppend(&result, &instance.state.platform.sysinfo.architecture);
+        }
+
+        ffPrintLogoAndKey(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY);
+        ffStrbufPutTo(&result, stdout);
+    } else {
+        FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, ((FFformatarg[]) {
+                                                                                                     FF_ARG(instance.state.platform.sysinfo.name, "sysname"),
+                                                                                                     FF_ARG(os->name, "name"),
+                                                                                                     FF_ARG(os->prettyName, "pretty-name"),
+                                                                                                     FF_ARG(os->id, "id"),
+                                                                                                     FF_ARG(os->idLike, "id-like"),
+                                                                                                     FF_ARG(os->variant, "variant"),
+                                                                                                     FF_ARG(os->variantID, "variant-id"),
+                                                                                                     FF_ARG(os->version, "version"),
+                                                                                                     FF_ARG(os->versionID, "version-id"),
+                                                                                                     FF_ARG(os->codename, "codename"),
+                                                                                                     FF_ARG(os->buildID, "build-id"),
+                                                                                                     FF_ARG(instance.state.platform.sysinfo.architecture, "arch"),
+                                                                                                     FF_ARG(instance.state.platform.sysinfo.release, "kernel-release"),
+                                                                                                 }));
+    }
+
+    return true;
+}
+
+void ffParseOSJsonObject(FFOSOptions* options, yyjson_val* module) {
+    yyjson_val *key, *val;
+    size_t idx, max;
+    yyjson_obj_foreach (module, idx, max, key, val) {
+        if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs)) {
+            continue;
+        }
+
+        ffPrintError(FF_OS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
+    }
+}
+
+void ffGenerateOSJsonConfig(FFOSOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
+    ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
+}
+
+bool ffGenerateOSJsonResult(FF_A_UNUSED FFOSOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
+    const FFOSResult* os = ffDetectOS();
+
+    if (os->name.length == 0 && os->prettyName.length == 0 && os->id.length == 0) {
+        yyjson_mut_obj_add_str(doc, module, "error", "Could not detect OS");
+        return false;
+    }
+
+    yyjson_mut_val* obj = yyjson_mut_obj_add_obj(doc, module, "result");
+    yyjson_mut_obj_add_strbuf(doc, obj, "buildID", &os->buildID);
+    yyjson_mut_obj_add_strbuf(doc, obj, "codename", &os->codename);
+    yyjson_mut_obj_add_strbuf(doc, obj, "id", &os->id);
+    yyjson_mut_obj_add_strbuf(doc, obj, "idLike", &os->idLike);
+    yyjson_mut_obj_add_strbuf(doc, obj, "name", &os->name);
+    yyjson_mut_obj_add_strbuf(doc, obj, "prettyName", &os->prettyName);
+    yyjson_mut_obj_add_strbuf(doc, obj, "variant", &os->variant);
+    yyjson_mut_obj_add_strbuf(doc, obj, "variantID", &os->variantID);
+    yyjson_mut_obj_add_strbuf(doc, obj, "version", &os->version);
+    yyjson_mut_obj_add_strbuf(doc, obj, "versionID", &os->versionID);
+
+    return true;
+}
+
+void ffInitOSOptions(FFOSOptions* options) {
+    ffOptionInitModuleArg(&options->moduleArgs,
+#ifdef _WIN32
+        ""
+#elif __APPLE__
+        ""
+#elif __FreeBSD__
+        "󰣠"
+#elif __ANDROID__
+        ""
+#elif __linux__
+        ""
+#elif __sun
+        ""
+#elif __OpenBSD__
+        ""
+#elif __Haiku__
+        ""
+#else
+        "󰢻"
+#endif
+    );
+}
+
+void ffDestroyOSOptions(FFOSOptions* options) {
+    ffOptionDestroyModuleArg(&options->moduleArgs);
+}
+
+FFModuleBaseInfo ffOSModuleInfo = {
+    .name = FF_OS_MODULE_NAME,
+    .description = "Print the OS or Linux distribution name and version",
+    .initOptions = (void*) ffInitOSOptions,
+    .destroyOptions = (void*) ffDestroyOSOptions,
+    .parseJsonObject = (void*) ffParseOSJsonObject,
+    .printModule = (void*) ffPrintOS,
+    .generateJsonResult = (void*) ffGenerateOSJsonResult,
+    .generateJsonConfig = (void*) ffGenerateOSJsonConfig,
+    .formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]) {
+        { "Name of the kernel", "sysname" },
+        { "Name of the OS", "name" },
+        { "Pretty name of the OS, if available", "pretty-name" },
+        { "ID of the OS", "id" },
+        { "ID like of the OS", "id-like" },
+        { "Variant of the OS", "variant" },
+        { "Variant ID of the OS", "variant-id" },
+        { "Version of the OS", "version" },
+        { "Version ID of the OS", "version-id" },
+        { "Version codename of the OS", "codename" },
+        { "Build ID of the OS", "build-id" },
+        { "Architecture of the OS", "arch" },
+    }))
+};
diff --git a/src/modules/os/os.h b/src/modules/os/os.h
new file mode 100644
index 0000000..a53d285
--- /dev/null
+++ b/src/modules/os/os.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "option.h"
+
+#define FF_OS_MODULE_NAME "OS"
+
+bool ffPrintOS(FFOSOptions* options);
+void ffInitOSOptions(FFOSOptions* options);
+void ffDestroyOSOptions(FFOSOptions* options);
+
+extern FFModuleBaseInfo ffOSModuleInfo;