forked from cerc-io/plugeth
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
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package main
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import (
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"fmt"
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"strings"
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)
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type nameFilter struct {
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fulls map[string]bool // path/to/contract.sol:Type
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files map[string]bool // path/to/contract.sol:*
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types map[string]bool // *:Type
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}
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func newNameFilter(patterns ...string) (*nameFilter, error) {
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f := &nameFilter{
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fulls: make(map[string]bool),
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files: make(map[string]bool),
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types: make(map[string]bool),
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}
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for _, pattern := range patterns {
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if err := f.add(pattern); err != nil {
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return nil, err
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}
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}
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return f, nil
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}
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func (f *nameFilter) add(pattern string) error {
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ft := strings.Split(pattern, ":")
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if len(ft) != 2 {
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// filenames and types must not include ':' symbol
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return fmt.Errorf("invalid pattern: %s", pattern)
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}
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file, typ := ft[0], ft[1]
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if file == "*" {
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f.types[typ] = true
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return nil
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} else if typ == "*" {
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f.files[file] = true
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return nil
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}
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f.fulls[pattern] = true
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return nil
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}
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func (f *nameFilter) Matches(name string) bool {
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ft := strings.Split(name, ":")
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if len(ft) != 2 {
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// If contract names are always of the fully-qualified form
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// <filePath>:<type>, then this case will never happen.
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return false
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}
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file, typ := ft[0], ft[1]
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// full paths > file paths > types
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return f.fulls[name] || f.files[file] || f.types[typ]
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}
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