libgo/go/strings/export_test.go

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package strings
   6
   7 func (r *Replacer) Replacer() interface{} {
   8         return r.r
   9 }
  10
  11 func (r *Replacer) PrintTrie() string {
  12         gen := r.r.(*genericReplacer)
  13         return gen.printNode(&gen.root, 0)
  14 }
  15
  16 func (r *genericReplacer) printNode(t *trieNode, depth int) (s string) {
  17         if t.priority > 0 {
  18                 s += "+"
  19         } else {
  20                 s += "-"
  21         }
  22         s += "\n"
  23
  24         if t.prefix != "" {
  25                 s += Repeat(".", depth) + t.prefix
  26                 s += r.printNode(t.next, depth+len(t.prefix))
  27         } else if t.table != nil {
  28                 for b, m := range r.mapping {
  29                         if int(m) != r.tableSize && t.table[m] != nil {
  30                                 s += Repeat(".", depth) + string([]byte{byte(b)})
  31                                 s += r.printNode(t.table[m], depth+1)
  32                         }
  33                 }
  34         }
  35         return
  36 }
  37
  38 func StringFind(pattern, text string) int {
  39         return makeStringFinder(pattern).next(text)
  40 }
  41
  42 func DumpTables(pattern string) ([]int, []int) {
  43         finder := makeStringFinder(pattern)
  44         return finder.badCharSkip[:], finder.goodSuffixSkip
  45 }