85 lines
2.9 KiB
Go
85 lines
2.9 KiB
Go
// Copyright 2026 Alibaba Group
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package handlers
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import (
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"github.com/DingTalk-Real-AI/dingtalk-workspace-cli/internal/pipeline"
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"github.com/DingTalk-Real-AI/dingtalk-workspace-cli/pkg/cmdutil"
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)
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// AliasHandler normalises flag names in raw argv so that common
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// model-generated variants resolve to the canonical kebab-case name.
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//
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// Supported normalisations:
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// - camelCase → kebab-case (--userId → --user-id)
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// - snake_case → kebab-case (--user_name → --user-name)
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// - UPPER-CASE → lower-case (--USER-ID → --user-id)
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// - PascalCase → kebab-case (--UserName → --user-name)
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//
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// The handler only rewrites tokens that start with "--" and whose
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// normalised form matches a known flag name. Unknown flags are left
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// untouched so that Cobra can report them as errors.
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type AliasHandler struct{}
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func (AliasHandler) Name() string { return "alias" }
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func (AliasHandler) Phase() pipeline.Phase { return pipeline.PreParse }
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func (AliasHandler) Handle(ctx *pipeline.Context) error {
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if len(ctx.Args) == 0 || len(ctx.FlagSpecs) == 0 {
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return nil
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}
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known := buildFlagSet(ctx.FlagSpecs)
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result := make([]string, 0, len(ctx.Args))
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for i, arg := range ctx.Args {
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if arg == "--" {
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result = append(result, ctx.Args[i:]...)
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break
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}
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rewritten, ok := tryNormaliseFlag(arg, known)
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if ok {
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ctx.AddCorrection("alias", pipeline.PreParse, rewritten, arg, rewritten, "alias")
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result = append(result, rewritten)
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} else {
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result = append(result, ctx.Args[i])
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}
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}
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ctx.Args = result
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return nil
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}
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// tryNormaliseFlag checks whether arg is a "--flag" token that can be
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// normalised to a known flag name. It handles both bare flags and
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// "--flag=value" syntax.
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func tryNormaliseFlag(arg string, known map[string]bool) (string, bool) {
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return pipeline.NormalizeFlagToken(arg, known)
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}
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// toKebabCase converts a string from camelCase, PascalCase, or snake_case to
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// kebab-case. It is a thin compatibility shim over the single shared
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// normaliser cmdutil.Morph so the pipeline handlers and the build-time
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// parameter-alias generator can never diverge on how a flag spelling is
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// folded. Examples:
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//
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// "userId" → "user-id"
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// "UserName" → "user-name"
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// "user_name" → "user-name"
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// "USER_ID" → "user-id"
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// "pageSize" → "page-size"
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func toKebabCase(s string) string {
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return cmdutil.Morph(s)
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}
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