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local guide = require 'parser.guide'
local util = require 'utility'
local m = {}
--- 获取 position 对应的光标位置
---@param lines table
---@param text string
---@param position position
---@return integer
function m.offset(lines, text, position)
local row = position.line + 1
local start = guide.lineRange(lines, row)
local offset = utf8.offset(text, position.character + 1, start)
return offset - 1
end
--- 获取 position 对应的光标位置(根据附近的单词)
---@param lines table
---@param text string
---@param position position
---@return integer
function m.offsetOfWord(lines, text, position)
local row = position.line + 1
local start = guide.lineRange(lines, row)
local offset = utf8.offset(text, position.character + 1, start)
if offset > #text
or text:sub(offset-1, offset):match '[%w_][^%w_]' then
offset = offset - 1
end
return offset
end
--- 将光标位置转化为 position
---@alias position table
---@param lines table
---@param text string
---@param offset integer
---@return position
function m.position(lines, text, offset)
local row, col = guide.positionOf(lines, offset)
local start = guide.lineRange(lines, row)
if start < 1 then
start = 1
end
local ucol = util.utf8Len(text, start, start + col - 1)
if row < 1 then
row = 1
end
return {
line = row - 1,
character = ucol,
}
end
--- 将起点与终点位置转化为 range
---@alias range table
---@param lines table
---@param text string
---@param offset1 integer
---@param offset2 integer
function m.range(lines, text, offset1, offset2)
local range = {
start = m.position(lines, text, offset1),
['end'] = m.position(lines, text, offset2),
}
if range.start.character > 0 then
range.start.character = range.start.character - 1
end
return range
end
---@alias location table
---@param uri string
---@param range range
---@return location
function m.location(uri, range)
return {
uri = uri,
range = range,
}
end
---@alias locationLink table
---@param uri string
---@param range range
---@param selection range
---@param origin range
function m.locationLink(uri, range, selection, origin)
return {
targetUri = uri,
targetRange = range,
targetSelectionRange = selection,
originSelectionRange = origin,
}
end
function m.textEdit(range, newtext)
return {
range = range,
newText = newtext,
}
end
--- 诊断等级
m.DiagnosticSeverity = {
Error = 1,
Warning = 2,
Information = 3,
Hint = 4,
}
--- 诊断类型与默认等级
m.DiagnosticDefaultSeverity = {
['unused-local'] = 'Hint',
['unused-function'] = 'Hint',
['undefined-global'] = 'Warning',
['global-in-nil-env'] = 'Warning',
['unused-label'] = 'Hint',
['unused-vararg'] = 'Hint',
['trailing-space'] = 'Hint',
['redefined-local'] = 'Hint',
['newline-call'] = 'Information',
['newfield-call'] = 'Warning',
['redundant-parameter'] = 'Hint',
['ambiguity-1'] = 'Warning',
['lowercase-global'] = 'Information',
['undefined-env-child'] = 'Information',
['duplicate-index'] = 'Warning',
['empty-block'] = 'Hint',
['redundant-value'] = 'Hint',
['set-const'] = 'Error',
['duplicate-doc-class'] = 'Warning',
}
--- 诊断报告标签
m.DiagnosticTag = {
Unnecessary = 1,
Deprecated = 2,
}
m.DocumentHighlightKind = {
Text = 1,
Read = 2,
Write = 3,
}
m.MessageType = {
Error = 1,
Warning = 2,
Info = 3,
Log = 4,
}
m.FileChangeType = {
Created = 1,
Changed = 2,
Deleted = 3,
}
return m
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