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-rw-r--r--libgo/go/text/template/parse.go83
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diff --git a/libgo/go/text/template/parse.go b/libgo/go/text/template/parse.go
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-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package template
-
-import (
- "reflect"
- "text/template/parse"
-)
-
-// Template is the representation of a parsed template.
-type Template struct {
- name string
- *parse.Tree
- leftDelim string
- rightDelim string
- // We use two maps, one for parsing and one for execution.
- // This separation makes the API cleaner since it doesn't
- // expose reflection to the client.
- parseFuncs FuncMap
- execFuncs map[string]reflect.Value
- set *Set // can be nil.
-}
-
-// Name returns the name of the template.
-func (t *Template) Name() string {
- return t.name
-}
-
-// Parsing.
-
-// New allocates a new template with the given name.
-func New(name string) *Template {
- return &Template{
- name: name,
- parseFuncs: make(FuncMap),
- execFuncs: make(map[string]reflect.Value),
- }
-}
-
-// Delims sets the action delimiters, to be used in a subsequent
-// parse, to the specified strings.
-// An empty delimiter stands for the corresponding default: {{ or }}.
-// The return value is the template, so calls can be chained.
-func (t *Template) Delims(left, right string) *Template {
- t.leftDelim = left
- t.rightDelim = right
- return t
-}
-
-// Funcs adds the elements of the argument map to the template's function
-// map. It panics if a value in the map is not a function with appropriate
-// return type.
-// The return value is the template, so calls can be chained.
-func (t *Template) Funcs(funcMap FuncMap) *Template {
- addValueFuncs(t.execFuncs, funcMap)
- addFuncs(t.parseFuncs, funcMap)
- return t
-}
-
-// Parse parses the template definition string to construct an internal
-// representation of the template for execution.
-func (t *Template) Parse(s string) (tmpl *Template, err error) {
- t.Tree, err = parse.New(t.name).Parse(s, t.leftDelim, t.rightDelim, nil, t.parseFuncs, builtins)
- if err != nil {
- return nil, err
- }
- return t, nil
-}
-
-// ParseInSet parses the template definition string to construct an internal
-// representation of the template for execution. It also adds the template
-// to the set, which must not be nil. It is an error if s is already defined in the set.
-// Function bindings are checked against those in the set.
-func (t *Template) ParseInSet(s string, set *Set) (tmpl *Template, err error) {
- t.Tree, err = parse.New(t.name).Parse(s, t.leftDelim, t.rightDelim, set.trees, t.parseFuncs, set.parseFuncs, builtins)
- if err != nil {
- return nil, err
- }
- err = set.add(t)
- return t, err
-}
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