Init repo

src/build_tool/easy_strings.cpp

@@ -0,0 +1,116 @@
+S8_String Fmt(const char *str, ...) S8__PrintfFormat(1, 2);
+
+Array<S8_String> operator+(Array<S8_String> a, Array<S8_String> b) {
+    Array<S8_String> c = a.copy(MA_GetAllocator(Perm));
+    c.add_array(b);
+    return c;
+}
+
+Array<S8_String> operator+(Array<S8_String> a, S8_String b) {
+    Array<S8_String> c = a.copy(MA_GetAllocator(Perm));
+    c.add(b);
+    return c;
+}
+
+Array<S8_String> operator+(S8_String a, Array<S8_String> b) {
+    Array<S8_String> c = b.copy(MA_GetAllocator(Perm));
+    c.insert(a, 0);
+    return c;
+}
+
+Array<S8_String> operator+(S8_String a, S8_String b) {
+    Array<S8_String> c = {MA_GetAllocator(Perm)};
+    c.add(a);
+    c.add(b);
+    return c;
+}
+
+Array<S8_String> &operator+=(Array<S8_String> &a, Array<S8_String> b) {
+    a.add_array(b);
+    return a;
+}
+
+Array<S8_String> &operator+=(Array<S8_String> &a, S8_String s) {
+    a.add(s);
+    return a;
+}
+
+//@todo: split on any whitespace instead!
+Array<S8_String> Split(S8_String s, S8_String sep = " ") {
+    S8_List          list   = S8_Split(Perm, s, sep, 0);
+    Array<S8_String> result = {MA_GetAllocator(Perm)};
+    S8_For(it, list) result.add(it->string);
+    return result;
+}
+
+S8_String Merge(MA_Arena *arena, Array<S8_String> list, S8_String separator = " "_s) {
+    int64_t char_count = 0;
+    For(list) char_count += it.len;
+    if (char_count == 0) return {};
+    int64_t node_count = list.len;
+
+    int64_t   base_size = (char_count + 1);
+    int64_t   sep_size  = (node_count - 1) * separator.len;
+    int64_t   size      = base_size + sep_size;
+    char     *buff      = (char *)MA_PushSize(arena, sizeof(char) * (size + 1));
+    S8_String string    = S8_Make(buff, 0);
+    For(list) {
+        IO_Assert(string.len + it.len <= size);
+        MA_MemoryCopy(string.str + string.len, it.str, it.len);
+        string.len += it.len;
+        if (!list.is_last(it)) {
+            MA_MemoryCopy(string.str + string.len, separator.str, separator.len);
+            string.len += separator.len;
+        }
+    }
+    IO_Assert(string.len == size - 1);
+    string.str[size] = 0;
+    return string;
+}
+
+S8_String Merge(Array<S8_String> list, S8_String separator = " ") {
+    return Merge(Perm, list, separator);
+}
+
+S8_String Fmt(const char *str, ...) {
+    S8_FORMAT(Perm, str, str_fmt);
+    return str_fmt;
+}
+
+Array<S8_String> ListDir(char *dir) {
+    Array<S8_String> result = {MA_GetAllocator(Perm)};
+    for (OS_FileIter it = OS_IterateFiles(Perm, S8_MakeFromChar(dir)); OS_IsValid(it); OS_Advance(&it)) {
+        result.add(S8_Copy(Perm, it.absolute_path));
+    }
+    return result;
+}
+
+Array<S8_String> CMD_Make(char **argv, int argc) {
+    Array<S8_String> result = {MA_GetAllocator(Perm)};
+    for (int i = 1; i < argc; i += 1) {
+        S8_String it = S8_MakeFromChar(argv[i]);
+        result.add(it);
+    }
+    return result;
+}
+
+S8_String CMD_Get(Array<S8_String> &cmd, S8_String name, S8_String default_value = "") {
+    For(cmd) {
+        int64_t idx = 0;
+        if (S8_Seek(it, "="_s, 0, &idx)) {
+            S8_String key   = S8_GetPrefix(it, idx);
+            S8_String value = S8_Skip(it, idx + 1);
+            if (key == name) {
+                return value;
+            }
+        }
+    }
+    return default_value;
+}
+
+bool CMD_Match(Array<S8_String> &cmd, S8_String name) {
+    For(cmd) {
+        if (it == name) return true;
+    }
+    return false;
+}