mirror of
https://github.com/xiaoqidun/ofdgo.git
synced 2026-10-29 17:27:08 +08:00
88 lines
2.9 KiB
Go
88 lines
2.9 KiB
Go
// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
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//
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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 ofdgo
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import (
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"context"
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"maps"
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"slices"
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)
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// resourceReferenceScopes 复用结构依赖归集文档引用，同文档索引共用只读结果，跨文档索引独立合并
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// 入参: ctx 取消上下文, documents 文档入口, resources 资源索引, references 文件引用, selected 限定的文档入口，空值统计全部文档
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// 返回: map[string]*editorResourceRefs 各资源索引的引用，依赖不完整或引用无法归属时为空, error 取消错误
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func resourceReferenceScopes(ctx context.Context, documents map[string]bool, resources []string, references map[string]*editorResourceRefs, selected string) (map[string]*editorResourceRefs, error) {
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indexes := make(map[string]bool, len(resources))
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for _, name := range resources {
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indexes[name] = true
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}
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used := make(map[string]bool)
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result := make(map[string]*editorResourceRefs)
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shared := make(map[string]bool)
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for _, entry := range slices.Sorted(maps.Keys(documents)) {
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scope := map[string]bool{entry: true}
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queue := []string{entry}
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refs := &editorResourceRefs{ids: make(map[string]bool), fonts: make(map[string]*editorFontUsage)}
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for position := 0; position < len(queue); position++ {
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if err := ctx.Err(); err != nil {
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return nil, err
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}
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name := queue[position]
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source := references[name]
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if source == nil {
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return nil, ctx.Err()
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}
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used[name] = true
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if selected == "" || selected == entry {
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refs.merge(&editorResourceRefs{ids: source.ids, fonts: source.fonts})
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}
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for target, role := range source.roles {
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if role&packageReferenceXML != 0 && !scope[target] {
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scope[target] = true
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queue = append(queue, target)
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}
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}
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}
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if selected != "" && selected != entry {
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continue
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}
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for name := range scope {
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if err := ctx.Err(); err != nil {
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return nil, err
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}
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if !indexes[name] {
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continue
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}
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if result[name] == nil {
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result[name] = refs
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continue
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}
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if !shared[name] {
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merged := &editorResourceRefs{ids: make(map[string]bool), fonts: make(map[string]*editorFontUsage)}
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merged.merge(result[name])
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result[name] = merged
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shared[name] = true
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}
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result[name].merge(refs)
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}
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}
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for name, refs := range references {
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if !used[name] && (len(refs.ids) != 0 || len(refs.fonts) != 0 || indexes[name]) {
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return nil, nil
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}
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}
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return result, ctx.Err()
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}
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