wehub-resource-sync
a06f331eb8
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86 lines
2.6 KiB
Go
86 lines
2.6 KiB
Go
package languages
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import (
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"regexp"
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"strings"
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jinjaforest "github.com/alexaandru/go-sitter-forest/jinja"
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"github.com/zzet/gortex/internal/graph"
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"github.com/zzet/gortex/internal/parser"
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"github.com/zzet/gortex/internal/parser/forest"
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)
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// Jinja2 migration: forest's walker (per-language map for
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// `macro_statement`) catches `{% macro %}` definitions. Block
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// definitions and the family of import tags (`extends` / `include`
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// / `import` / `from … import`) stay regex.
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var (
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jinjaBlockRe = regexp.MustCompile(`(?m)\{%\s*block\s+([A-Za-z_][\w]*)`)
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jinjaExtendsRe = regexp.MustCompile(`(?m)\{%\s*extends\s+['"]([^'"]+)['"]`)
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jinjaIncludeRe = regexp.MustCompile(`(?m)\{%\s*include\s+['"]([^'"]+)['"]`)
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jinjaImportRe = regexp.MustCompile(`(?m)\{%\s*import\s+['"]([^'"]+)['"]`)
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jinjaFromImportRe = regexp.MustCompile(`(?m)\{%\s*from\s+['"]([^'"]+)['"]\s+import`)
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)
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type JinjaExtractor struct {
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forest *forest.Extractor
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}
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func NewJinjaExtractor() *JinjaExtractor {
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return &JinjaExtractor{
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forest: forest.New("jinja", []string{".jinja", ".jinja2", ".j2"}, jinjaforest.GetLanguage, jinjaforest.GetQuery),
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}
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}
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func (e *JinjaExtractor) Language() string { return "jinja" }
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func (e *JinjaExtractor) Extensions() []string { return []string{".jinja", ".jinja2", ".j2"} }
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func (e *JinjaExtractor) Extract(filePath string, src []byte) (*parser.ExtractionResult, error) {
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res, err := e.forest.Extract(filePath, src)
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if err != nil {
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return nil, err
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}
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lines := strings.Split(string(src), "\n")
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_ = lines
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seen := make(map[string]bool)
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for _, n := range res.Nodes {
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seen[n.ID] = true
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}
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for _, m := range jinjaBlockRe.FindAllSubmatchIndex(src, -1) {
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name := string(src[m[2]:m[3]])
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id := filePath + "::" + name
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if seen[id] {
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continue
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}
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seen[id] = true
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line := lineAt(src, m[0])
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res.Nodes = append(res.Nodes, &graph.Node{
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ID: id, Kind: graph.KindFunction, Name: name,
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FilePath: filePath, StartLine: line, EndLine: line,
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Language: "jinja",
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})
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res.Edges = append(res.Edges, &graph.Edge{
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From: filePath, To: id, Kind: graph.EdgeDefines,
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FilePath: filePath, Line: line,
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})
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}
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for _, re := range []*regexp.Regexp{jinjaExtendsRe, jinjaIncludeRe, jinjaImportRe, jinjaFromImportRe} {
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for _, m := range re.FindAllSubmatchIndex(src, -1) {
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mod := string(src[m[2]:m[3]])
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line := lineAt(src, m[0])
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res.Edges = append(res.Edges, &graph.Edge{
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From: filePath, To: "unresolved::import::" + mod,
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Kind: graph.EdgeImports, FilePath: filePath, Line: line,
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})
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}
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}
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return res, nil
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}
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var _ parser.Extractor = (*JinjaExtractor)(nil)
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