add charset.c

3 files changed, 165 insertions, 0 deletions

diff --git a/core/src/xmake/utils/charset.c b/core/src/xmake/utils/charset.c
new file mode 100644
index 000000000..0a93d9c9a
--- /dev/null
+++ b/core/src/xmake/utils/charset.c
@@ -0,0 +1,82 @@
+/*!A cross-platform build utility based on Lua
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright (C) 2015-present, Xmake Open Source Community.
+ *
+ * @author      ruki
+ * @file        charset.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * trace
+ */
+#define TB_TRACE_MODULE_NAME "charset"
+#define TB_TRACE_MODULE_DEBUG (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "charset.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * globals
+ */
+
+// the charsets, @note: type & name is sorted
+static xm_charset_entry_t g_charsets[] = {
+    { TB_CHARSET_TYPE_ANSI, "ansi" },
+    { TB_CHARSET_TYPE_ASCII, "ascii" },
+    { TB_CHARSET_TYPE_GB2312, "gb2312" },
+    { TB_CHARSET_TYPE_GBK, "gbk" },
+    { TB_CHARSET_TYPE_ISO8859, "iso8859" },
+    { TB_CHARSET_TYPE_UCS2 | TB_CHARSET_TYPE_NE, "ucs2" },
+    { TB_CHARSET_TYPE_UCS4 | TB_CHARSET_TYPE_NE, "ucs4" },
+    { TB_CHARSET_TYPE_UTF16 | TB_CHARSET_TYPE_NE, "utf16" },
+    { TB_CHARSET_TYPE_UTF16 | TB_CHARSET_TYPE_BE, "utf16be" },
+    { TB_CHARSET_TYPE_UTF16 | TB_CHARSET_TYPE_NE, "utf16bom" },
+    { TB_CHARSET_TYPE_UTF16 | TB_CHARSET_TYPE_LE, "utf16le" },
+    { TB_CHARSET_TYPE_UTF16 | TB_CHARSET_TYPE_LE, "utf16lebom" },
+    { TB_CHARSET_TYPE_UTF32 | TB_CHARSET_TYPE_NE, "utf32" },
+    { TB_CHARSET_TYPE_UTF32 | TB_CHARSET_TYPE_BE, "utf32be" },
+    { TB_CHARSET_TYPE_UTF32 | TB_CHARSET_TYPE_LE, "utf32le" },
+    { TB_CHARSET_TYPE_UTF8, "utf8" },
+    { TB_CHARSET_TYPE_UTF8, "utf8bom" },
+};
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * finder
+ */
+static tb_long_t xm_charset_comp_by_name(tb_iterator_ref_t iterator, tb_cpointer_t item, tb_cpointer_t name) {
+    return tb_stricmp(((xm_charset_entry_ref_t)item)->name, (tb_char_t const *)name);
+}
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+xm_charset_entry_ref_t xm_charset_find_by_name(tb_char_t const *name) {
+    // make iterator
+    tb_array_iterator_t array_iterator;
+    tb_iterator_ref_t   iterator =
+        tb_array_iterator_init_mem(&array_iterator, g_charsets, tb_arrayn(g_charsets), sizeof(xm_charset_entry_t));
+    tb_assert_and_check_return_val(iterator, tb_null);
+
+    // find it by the binary search
+    tb_size_t itor = tb_binary_find_all_if(iterator, xm_charset_comp_by_name, name);
+    if (itor != tb_iterator_tail(iterator)) {
+        return (xm_charset_entry_ref_t)tb_iterator_item(iterator, itor);
+    } else {
+        return tb_null;
+    }
+}
diff --git a/core/src/xmake/utils/charset.h b/core/src/xmake/utils/charset.h
new file mode 100644
index 000000000..f23febb94
--- /dev/null
+++ b/core/src/xmake/utils/charset.h
@@ -0,0 +1,54 @@
+/*!A cross-platform build utility based on Lua
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright (C) 2015-present, Xmake Open Source Community.
+ *
+ * @author      ruki
+ * @file        charset.h
+ *
+ */
+#ifndef XM_UTILS_CHARSET_H
+#define XM_UTILS_CHARSET_H
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * types
+ */
+
+// the charset entry type
+typedef struct __xm_charset_entry_t {
+    // the charset type
+    tb_size_t type;
+
+    // the charset name
+    tb_char_t const *name;
+} xm_charset_entry_t, *xm_charset_entry_ref_t;
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * interfaces
+ */
+
+/* find charset by name
+ *
+ * @param name  the charset name
+ *
+ * @return      the charset entry
+ */
+xm_charset_entry_ref_t xm_charset_find_by_name(tb_char_t const *name);
+
+#endif
diff --git a/core/src/xmake/utils/prefix.h b/core/src/xmake/utils/prefix.h
new file mode 100644
index 000000000..a9f509e72
--- /dev/null
+++ b/core/src/xmake/utils/prefix.h
@@ -0,0 +1,29 @@
+/*!A cross-platform build utility based on Lua
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright (C) 2015-present, Xmake Open Source Community.
+ *
+ * @author      ruki
+ * @file        prefix.h
+ *
+ */
+#ifndef XM_UTILS_PREFIX_H
+#define XM_UTILS_PREFIX_H
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "../prefix.h"
+
+#endif