1 files changed, 122 insertions, 0 deletions
diff --git a/src/modules/lm/lm.c b/src/modules/lm/lm.c
new file mode 100644
index 0000000..a1317d2
--- /dev/null
+++ b/src/modules/lm/lm.c
@@ -0,0 +1,122 @@
+#include "common/printing.h"
+#include "common/jsonconfig.h"
+#include "common/strutil.h"
+#include "detection/lm/lm.h"
+#include "modules/lm/lm.h"
+
+bool ffPrintLM(FFLMOptions* options) {
+    bool success = false;
+    FFLMResult result;
+    ffStrbufInit(&result.service);
+    ffStrbufInit(&result.type);
+    ffStrbufInit(&result.version);
+    const char* error = ffDetectLM(&result);
+
+    if (error) {
+        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
+        goto exit;
+    }
+
+    if (result.service.length == 0) {
+        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No LM service found");
+        goto exit;
+    }
+
+    if (options->moduleArgs.outputFormat.length == 0) {
+        ffPrintLogoAndKey(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
+        ffStrbufWriteTo(&result.service, stdout);
+        if (result.version.length) {
+            printf(" %s", result.version.chars);
+        }
+        if (result.type.length) {
+            printf(" (%s)", result.type.chars);
+        }
+        putchar('\n');
+    } else {
+        FF_PRINT_FORMAT_CHECKED(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, ((FFformatarg[]) {
+                                                                                                       FF_ARG(result.service, "service"),
+                                                                                                       FF_ARG(result.type, "type"),
+                                                                                                       FF_ARG(result.version, "version"),
+                                                                                                   }));
+    }
+    success = true;
+
+exit:
+    ffStrbufDestroy(&result.service);
+    ffStrbufDestroy(&result.type);
+    ffStrbufDestroy(&result.version);
+
+    return success;
+}
+
+void ffParseLMJsonObject(FFLMOptions* 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_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
+    }
+}
+
+void ffGenerateLMJsonConfig(FFLMOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
+    ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
+}
+
+bool ffGenerateLMJsonResult(FF_A_UNUSED FFLMOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
+    bool success = false;
+    FFLMResult result;
+    ffStrbufInit(&result.service);
+    ffStrbufInit(&result.type);
+    ffStrbufInit(&result.version);
+    const char* error = ffDetectLM(&result);
+
+    if (error) {
+        yyjson_mut_obj_add_str(doc, module, "error", error);
+        goto exit;
+    }
+
+    if (result.service.length == 0) {
+        yyjson_mut_obj_add_str(doc, module, "error", "No LM service found");
+        goto exit;
+    }
+
+    yyjson_mut_val* obj = yyjson_mut_obj_add_obj(doc, module, "result");
+    yyjson_mut_obj_add_strbuf(doc, obj, "service", &result.service);
+    yyjson_mut_obj_add_strbuf(doc, obj, "type", &result.type);
+    yyjson_mut_obj_add_strbuf(doc, obj, "version", &result.version);
+    success = true;
+
+exit:
+    ffStrbufDestroy(&result.service);
+    ffStrbufDestroy(&result.type);
+    ffStrbufDestroy(&result.version);
+
+    return success;
+}
+
+void ffInitLMOptions(FFLMOptions* options) {
+    ffOptionInitModuleArg(&options->moduleArgs, "󰧨");
+}
+
+void ffDestroyLMOptions(FFLMOptions* options) {
+    ffOptionDestroyModuleArg(&options->moduleArgs);
+}
+
+FFModuleBaseInfo ffLMModuleInfo = {
+    .name = FF_LM_MODULE_NAME,
+    .description = "Print login manager (desktop manager) name and version",
+    .initOptions = (void*) ffInitLMOptions,
+    .destroyOptions = (void*) ffDestroyLMOptions,
+    .parseJsonObject = (void*) ffParseLMJsonObject,
+    .printModule = (void*) ffPrintLM,
+    .generateJsonResult = (void*) ffGenerateLMJsonResult,
+    .generateJsonConfig = (void*) ffGenerateLMJsonConfig,
+    .formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]) {
+        { "LM service", "service" },
+        { "LM type", "type" },
+        { "LM version", "version" },
+    }))
+};