Initial commit

2026-08-17 15:06:08 +03:00
commit 64e40987b0
11 changed files with 505 additions and 0 deletions
--- a/Args.c
+++ b/Args.c
@@ -0,0 +1,134 @@
+#include "CgeArgs.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+static void parseArg(CgeArgs *arg, const char *value) {
+    if (value == NULL && arg->type != CGE_ARGS_BOOL)
+        return;
+
+    switch (arg->type) {
+    case CGE_ARGS_STRING:
+        *(const char**)arg->data = value;
+        break;
+
+    case CGE_ARGS_FLOAT:
+        *(float*)arg->data = strtod(value, NULL);
+        break;
+
+    case CGE_ARGS_DOUBLE:
+        *(double*)arg->data = strtod(value, NULL);
+        break;
+
+    case CGE_ARGS_INT:
+        *(int*)arg->data = atoi(value);
+        break;
+
+    case CGE_ARGS_BOOL:
+        *(int*)arg->data = 1;
+        break;
+    }
+}
+
+static CgeArgs *findShort(CgeArgs *args, size_t size, char symbol) {
+    size_t i;
+
+    for (i = 0; i < size; i++) {
+        if (args[i].shortName == symbol)
+            return args + i;
+    }
+
+    return NULL;
+}
+
+static CgeArgs *findLong(CgeArgs *args, size_t size, char *value) {
+    char *equalSign;
+    size_t i;
+
+    equalSign = strchr(value, '=');
+    for (i = 0; i < size; i++) {
+        if (!args[i].longName)
+            continue;
+
+        if (equalSign) {
+            if (!strncmp(args[i].longName, value, strlen(args[i].longName)))
+                return args + i;
+        } else {
+            if (!strcmp(args[i].longName, value))
+                return args + i;
+        }
+    }
+
+    return NULL;
+}
+
+int CgeArgsParse(CgeArgs *args, size_t size, int argc, char **argv) {
+    int i, ogArgc = argc;
+
+    for (i = 1; i < argc;) {
+        int isFlag = 0;
+
+        if (!strcmp(argv[i], "--"))
+            return i + 1;
+
+        if (argv[i][0] == '-' && argv[i][1] != '-') {
+            int j;
+
+            for (j = 1; argv[i][j]; j++) {
+                CgeArgs *arg;
+
+                arg = findShort(args, size, argv[i][j]);
+                if (!arg) {
+                    fprintf(stderr, "Unknown argument: %c\n", argv[i][j]);
+                    return -1;
+                }
+                isFlag = 1;
+
+                if (arg->type != CGE_ARGS_BOOL) {
+                    if (argv[i][j + 1])
+                        parseArg(arg, argv[i] + j + 1);
+                    else
+                        parseArg(arg, (i + 1 < argc) ? argv[++i] : NULL);
+                    break;
+                } else {
+                    parseArg(arg, NULL);
+                }
+            }
+        } else if (argv[i][0] == '-' && argv[i][1] == '-') {
+            CgeArgs *arg;
+
+            arg = findLong(args, size, argv[i] + 2);
+            if (!arg) {
+                fprintf(stderr, "Unknown argument: %s\n", argv[i] + 2);
+                return -1;
+            }
+            isFlag = 1;
+
+            if (arg->type != CGE_ARGS_BOOL) {
+                char *equalSign;
+
+                equalSign = strchr(argv[i] + 2, '=');
+                if (equalSign)
+                    parseArg(arg, equalSign + 1);
+                else
+                    parseArg(arg, (i + 1 < argc) ? argv[++i] : NULL);
+            } else {
+                parseArg(arg, NULL);
+            }
+        }
+
+        if (!isFlag) {
+            char *arg = argv[i];
+            int j;
+
+            for (j = i; j < ogArgc - 1; j++)
+                argv[j] = argv[j + 1];
+            argv[ogArgc - 1] = arg;
+            argc--;
+        } else {
+            i++;
+        }
+    }
+
+    return argc;
+}