1 files changed, 139 insertions, 0 deletions
diff --git a/xmake/modules/utils/progress.lua b/xmake/modules/utils/progress.lua
new file mode 100644
index 000000000..074046a69
--- /dev/null
+++ b/xmake/modules/utils/progress.lua
@@ -0,0 +1,139 @@
+--!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, TBOOX Open Source Group.
+--
+-- @author      OpportunityLiu
+-- @file        progress.lua
+--
+
+-- imports
+import("core.base.option")
+import("core.base.object")
+import("core.base.colors")
+import("core.base.tty")
+import("core.theme.theme")
+
+-- define module
+local process = process or object { _init = { "_RUNNING", "_INDEX", "_STREAM", "_OPT" } }
+
+-- stop the progress indicator, clear written frames
+function process:stop()
+    if self._RUNNING ~= 0 then
+        self:clear()
+        self._RUNNING = 0
+        self._INDEX = 0
+    end
+end
+
+function process:_clear()
+    if self._RUNNING == 1 then
+        tty.erase_line_to_end()
+        self._RUNNING = 2
+        return true
+    end
+end
+
+-- clear previous frame of the progress indicator
+function process:clear()
+    if self:_clear() then
+        self._STREAM:flush()
+    end
+end
+
+-- write next frame of the progress indicator
+function process:write()
+    local chars = self._OPT.chars[self._INDEX % #self._OPT.chars + 1]
+    tty.cursor_and_attrs_save()
+    self._STREAM:write(chars)
+    self._STREAM:flush()
+    tty.cursor_and_attrs_restore()
+    self._INDEX = self._INDEX + 1
+    self._RUNNING = 1
+end
+
+-- check if the progress indicator is running
+function process:running()
+    return self._RUNNING and true or false
+end
+
+-- showing progress line without scroll?
+function showing_without_scroll()
+    return _g.showing_without_scroll
+end
+
+-- show the message with process
+function show(progress, format, ...)
+    progress = math.floor(progress)
+    local progress_prefix = "${color.build.progress}" .. theme.get("text.build.progress_format") .. ":${clear} "
+    if option.get("verbose") then
+        cprint(progress_prefix .. "${dim}" .. format, progress, ...)
+    else
+        local is_scroll = _g.is_scroll
+        if is_scroll == nil then
+            is_scroll = theme.get("text.build.progress_style") == "scroll"
+            _g.is_scroll = is_scroll
+        end
+        if is_scroll then
+            cprint(progress_prefix .. format, progress, ...)
+        else
+            tty.erase_line_to_start().cr()
+            local msg = vformat(progress_prefix .. format, progress, ...)
+            local msg_plain = colors.translate(msg, {plain = true})
+            local maxwidth = os.getwinsize().width
+            if #msg_plain <= maxwidth then
+                cprintf(msg)
+            else
+                -- windows width is too small? strip the partial message in middle
+                local partlen = math.floor(maxwidth / 2) - 3
+                local sep = msg_plain:sub(partlen + 1, #msg_plain - partlen - 1)
+                local split = msg:split(sep, {plain = true, strict = true})
+                cprintf(table.concat(split, "..."))
+            end
+            if math.floor(progress) == 100 then
+                print("")
+                _g.showing_without_scroll = false
+            else
+                _g.showing_without_scroll = true
+            end
+            io.flush()
+        end
+    end
+end
+
+-- get the message text with process
+function text(progress, format, ...)
+    progress = math.floor(progress)
+    local progress_prefix = "${color.build.progress}" .. theme.get("text.build.progress_format") .. ":${clear} "
+    if option.get("verbose") then
+        return string.format(progress_prefix .. "${dim}" .. format, progress, ...)
+    else
+        return string.format(progress_prefix .. format, progress, ...)
+    end
+end
+
+-- build a progress indicator
+-- @params stream - stream to write to, will use io.stdout if not provided
+-- @params opt - options
+--               - chars - an array of chars for progress indicator
+function new(stream, opt)
+
+    -- set default values
+    stream = stream or io.stdout
+    opt = opt or {}
+    if opt.chars == nil or #opt.chars == 0 then
+        opt.chars = theme.get("text.spinner.chars")
+    end
+    return process {_OPT = opt, _STREAM = stream, _RUNNING = 0, _INDEX = 0}
+end