Merge pull request #7219 from xmake-io/iconv

Add cli.iconv module

1 files changed, 69 insertions, 0 deletions

diff --git a/xmake/modules/cli/iconv.lua b/xmake/modules/cli/iconv.lua
new file mode 100644
index 000000000..a494155ed
--- /dev/null
+++ b/xmake/modules/cli/iconv.lua
@@ -0,0 +1,69 @@
+--!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        iconv.lua
+--
+
+-- imports
+import("core.base.option")
+
+-- supported encodings
+local encodings = {"ansi", "ascii", "gb2312", "gbk", "iso8859", "ucs2", "ucs4", "utf16", "utf16be", "utf16bom", "utf16le", "utf16lebom", "utf32", "utf32be", "utf32le", "utf8", "utf8bom"}
+
+-- the options
+local options = {
+    {'f', "from",       "kv", "utf8", "The source encoding.", values = encodings},
+    {'t', "to",         "kv", "utf8", "The target encoding.", values = encodings},
+    {'l', "list",       "k",  nil,    "List supported encodings."},
+    {'o', "outputfile", "kv", nil,    "The output file."},
+    {nil, "inputfile",  "v",  nil,    "The input file."}
+}
+
+-- main entry
+function main(...)
+
+    -- parse arguments
+    local argv = table.pack(...)
+    local args = option.parse(argv, options, "Convert encoding of a file.",
+                                             "",
+                                             "Usage: xmake l cli.iconv [options] [inputfile]")
+
+    -- list encodings
+    if args.list then
+        print(table.concat(encodings, " "))
+        return
+    end
+
+    -- get arguments
+    local input_file = assert(args.inputfile, "input file required!")
+    local output_file = args.outputfile
+    local from_code = args.from
+    local to_code = args.to
+
+    -- convert encoding
+    if output_file then
+        io.convert(input_file, output_file, {from = from_code, to = to_code})
+    else
+        local tmpfile = os.tmpfile()
+        io.convert(input_file, tmpfile, {from = from_code, to = to_code})
+        local data = io.readfile(tmpfile, {encoding = "binary"})
+        if data then
+            io.write(data)
+        end
+        os.rm(tmpfile)
+    end
+end