Add the files

3 files changed, 158 insertions, 0 deletions

diff --git a/src/modules/memory/memory.c b/src/modules/memory/memory.c
new file mode 100644
index 0000000..4fbdf75
--- /dev/null
+++ b/src/modules/memory/memory.c
@@ -0,0 +1,135 @@
+#include "common/printing.h"
+#include "common/jsonconfig.h"
+#include "common/percent.h"
+#include "common/size.h"
+#include "common/strutil.h"
+#include "detection/memory/memory.h"
+#include "modules/memory/memory.h"
+
+bool ffPrintMemory(FFMemoryOptions* options) {
+    FFMemoryResult storage = {};
+    const char* error = ffDetectMemory(&storage);
+
+    if (error) {
+        ffPrintError(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
+        return false;
+    }
+
+    FF_STRBUF_AUTO_DESTROY usedPretty = ffStrbufCreate();
+    ffSizeAppendNum(storage.bytesUsed, &usedPretty);
+
+    FF_STRBUF_AUTO_DESTROY totalPretty = ffStrbufCreate();
+    ffSizeAppendNum(storage.bytesTotal, &totalPretty);
+
+    double percentage = storage.bytesTotal == 0
+        ? 0
+        : (double) storage.bytesUsed / (double) storage.bytesTotal * 100.0;
+
+    FFPercentageTypeFlags percentType = options->percent.type == 0 ? instance.config.display.percentType : options->percent.type;
+    if (options->moduleArgs.outputFormat.length == 0) {
+        ffPrintLogoAndKey(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
+        if (storage.bytesTotal == 0) {
+            puts("Disabled");
+        } else {
+            FF_STRBUF_AUTO_DESTROY str = ffStrbufCreate();
+
+            if (percentType & FF_PERCENTAGE_TYPE_BAR_BIT) {
+                ffPercentAppendBar(&str, percentage, options->percent, &options->moduleArgs);
+                ffStrbufAppendC(&str, ' ');
+            }
+
+            if (!(percentType & FF_PERCENTAGE_TYPE_HIDE_OTHERS_BIT)) {
+                ffStrbufAppendF(&str, "%s / %s ", usedPretty.chars, totalPretty.chars);
+            }
+
+            if (percentType & FF_PERCENTAGE_TYPE_NUM_BIT) {
+                ffPercentAppendNum(&str, percentage, options->percent, str.length > 0, &options->moduleArgs);
+            }
+
+            ffStrbufTrimRight(&str, ' ');
+            ffStrbufPutTo(&str, stdout);
+        }
+    } else {
+        FF_STRBUF_AUTO_DESTROY percentageNum = ffStrbufCreate();
+        if (percentType & FF_PERCENTAGE_TYPE_NUM_BIT) {
+            ffPercentAppendNum(&percentageNum, percentage, options->percent, false, &options->moduleArgs);
+        }
+        FF_STRBUF_AUTO_DESTROY percentageBar = ffStrbufCreate();
+        if (percentType & FF_PERCENTAGE_TYPE_BAR_BIT) {
+            ffPercentAppendBar(&percentageBar, percentage, options->percent, &options->moduleArgs);
+        }
+
+        FF_PRINT_FORMAT_CHECKED(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, ((FFformatarg[]) {
+                                                                                                           FF_ARG(usedPretty, "used"),
+                                                                                                           FF_ARG(totalPretty, "total"),
+                                                                                                           FF_ARG(percentageNum, "percentage"),
+                                                                                                           FF_ARG(percentageBar, "percentage-bar"),
+                                                                                                       }));
+    }
+
+    return true;
+}
+
+void ffParseMemoryJsonObject(FFMemoryOptions* 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;
+        }
+
+        if (ffPercentParseJsonObject(key, val, &options->percent)) {
+            continue;
+        }
+
+        ffPrintError(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
+    }
+}
+
+void ffGenerateMemoryJsonConfig(FFMemoryOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
+    ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
+
+    ffPercentGenerateJsonConfig(doc, module, options->percent);
+}
+
+bool ffGenerateMemoryJsonResult(FF_A_UNUSED FFMemoryOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
+    FFMemoryResult storage = {};
+    const char* error = ffDetectMemory(&storage);
+
+    if (error) {
+        yyjson_mut_obj_add_str(doc, module, "error", error);
+        return false;
+    }
+
+    yyjson_mut_val* obj = yyjson_mut_obj_add_obj(doc, module, "result");
+    yyjson_mut_obj_add_uint(doc, obj, "total", storage.bytesTotal);
+    yyjson_mut_obj_add_uint(doc, obj, "used", storage.bytesUsed);
+
+    return true;
+}
+
+void ffInitMemoryOptions(FFMemoryOptions* options) {
+    ffOptionInitModuleArg(&options->moduleArgs, "");
+    options->percent = (FFPercentageModuleConfig) { 50, 80, 0 };
+}
+
+void ffDestroyMemoryOptions(FFMemoryOptions* options) {
+    ffOptionDestroyModuleArg(&options->moduleArgs);
+}
+
+FFModuleBaseInfo ffMemoryModuleInfo = {
+    .name = FF_MEMORY_MODULE_NAME,
+    .description = "Print system memory usage information",
+    .initOptions = (void*) ffInitMemoryOptions,
+    .destroyOptions = (void*) ffDestroyMemoryOptions,
+    .parseJsonObject = (void*) ffParseMemoryJsonObject,
+    .printModule = (void*) ffPrintMemory,
+    .generateJsonResult = (void*) ffGenerateMemoryJsonResult,
+    .generateJsonConfig = (void*) ffGenerateMemoryJsonConfig,
+    .formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]) {
+        { "Used size", "used" },
+        { "Total size", "total" },
+        { "Percentage used (num)", "percentage" },
+        { "Percentage used (bar)", "percentage-bar" },
+    }))
+};
diff --git a/src/modules/memory/memory.h b/src/modules/memory/memory.h
new file mode 100644
index 0000000..7ed026f
--- /dev/null
+++ b/src/modules/memory/memory.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "option.h"
+
+#define FF_MEMORY_MODULE_NAME "Memory"
+
+bool ffPrintMemory(FFMemoryOptions* options);
+void ffInitMemoryOptions(FFMemoryOptions* options);
+void ffDestroyMemoryOptions(FFMemoryOptions* options);
+
+extern FFModuleBaseInfo ffMemoryModuleInfo;
diff --git a/src/modules/memory/option.h b/src/modules/memory/option.h
new file mode 100644
index 0000000..e612a98
--- /dev/null
+++ b/src/modules/memory/option.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include "common/option.h"
+#include "common/percent.h"
+
+typedef struct FFMemoryOptions {
+    FFModuleArgs moduleArgs;
+
+    FFPercentageModuleConfig percent;
+} FFMemoryOptions;
+
+static_assert(sizeof(FFMemoryOptions) <= FF_OPTION_MAX_SIZE, "FFMemoryOptions size exceeds maximum allowed size");