1 files changed, 0 insertions, 381 deletions
diff --git a/src/pkg/html/template/template.go b/src/pkg/html/template/template.go
deleted file mode 100644
index d38965897..000000000
--- a/src/pkg/html/template/template.go
+++ /dev/null
@@ -1,381 +0,0 @@
-// 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 (
-	"fmt"
-	"io"
-	"io/ioutil"
-	"path/filepath"
-	"sync"
-	"text/template"
-	"text/template/parse"
-)
-
-// Template is a specialized Template from "text/template" that produces a safe
-// HTML document fragment.
-type Template struct {
-	escaped bool
-	// We could embed the text/template field, but it's safer not to because
-	// we need to keep our version of the name space and the underlying
-	// template's in sync.
-	text *template.Template
-	// The underlying template's parse tree, updated to be HTML-safe.
-	Tree       *parse.Tree
-	*nameSpace // common to all associated templates
-}
-
-// nameSpace is the data structure shared by all templates in an association.
-type nameSpace struct {
-	mu  sync.Mutex
-	set map[string]*Template
-}
-
-// Templates returns a slice of the templates associated with t, including t
-// itself.
-func (t *Template) Templates() []*Template {
-	ns := t.nameSpace
-	ns.mu.Lock()
-	defer ns.mu.Unlock()
-	// Return a slice so we don't expose the map.
-	m := make([]*Template, 0, len(ns.set))
-	for _, v := range ns.set {
-		m = append(m, v)
-	}
-	return m
-}
-
-// escape escapes all associated templates.
-func (t *Template) escape() error {
-	t.nameSpace.mu.Lock()
-	defer t.nameSpace.mu.Unlock()
-	if !t.escaped {
-		if err := escapeTemplates(t, t.Name()); err != nil {
-			return err
-		}
-		t.escaped = true
-	}
-	return nil
-}
-
-// Execute applies a parsed template to the specified data object,
-// writing the output to wr.
-// If an error occurs executing the template or writing its output,
-// execution stops, but partial results may already have been written to
-// the output writer.
-// A template may be executed safely in parallel.
-func (t *Template) Execute(wr io.Writer, data interface{}) error {
-	if err := t.escape(); err != nil {
-		return err
-	}
-	return t.text.Execute(wr, data)
-}
-
-// ExecuteTemplate applies the template associated with t that has the given
-// name to the specified data object and writes the output to wr.
-// If an error occurs executing the template or writing its output,
-// execution stops, but partial results may already have been written to
-// the output writer.
-// A template may be executed safely in parallel.
-func (t *Template) ExecuteTemplate(wr io.Writer, name string, data interface{}) error {
-	tmpl, err := t.lookupAndEscapeTemplate(name)
-	if err != nil {
-		return err
-	}
-	return tmpl.text.Execute(wr, data)
-}
-
-// lookupAndEscapeTemplate guarantees that the template with the given name
-// is escaped, or returns an error if it cannot be. It returns the named
-// template.
-func (t *Template) lookupAndEscapeTemplate(name string) (tmpl *Template, err error) {
-	t.nameSpace.mu.Lock()
-	defer t.nameSpace.mu.Unlock()
-	tmpl = t.set[name]
-	if tmpl == nil {
-		return nil, fmt.Errorf("html/template: %q is undefined", name)
-	}
-	if tmpl.text.Tree == nil || tmpl.text.Root == nil {
-		return nil, fmt.Errorf("html/template: %q is an incomplete template", name)
-	}
-	if t.text.Lookup(name) == nil {
-		panic("html/template internal error: template escaping out of sync")
-	}
-	if tmpl != nil && !tmpl.escaped {
-		err = escapeTemplates(tmpl, name)
-	}
-	return tmpl, err
-}
-
-// Parse parses a string into a template. Nested template definitions
-// will be associated with the top-level template t. Parse may be
-// called multiple times to parse definitions of templates to associate
-// with t. It is an error if a resulting template is non-empty (contains
-// content other than template definitions) and would replace a
-// non-empty template with the same name.  (In multiple calls to Parse
-// with the same receiver template, only one call can contain text
-// other than space, comments, and template definitions.)
-func (t *Template) Parse(src string) (*Template, error) {
-	t.nameSpace.mu.Lock()
-	t.escaped = false
-	t.nameSpace.mu.Unlock()
-	ret, err := t.text.Parse(src)
-	if err != nil {
-		return nil, err
-	}
-	// In general, all the named templates might have changed underfoot.
-	// Regardless, some new ones may have been defined.
-	// The template.Template set has been updated; update ours.
-	t.nameSpace.mu.Lock()
-	defer t.nameSpace.mu.Unlock()
-	for _, v := range ret.Templates() {
-		name := v.Name()
-		tmpl := t.set[name]
-		if tmpl == nil {
-			tmpl = t.new(name)
-		}
-		// Restore our record of this text/template to its unescaped original state.
-		tmpl.escaped = false
-		tmpl.text = v
-		tmpl.Tree = v.Tree
-	}
-	return t, nil
-}
-
-// AddParseTree creates a new template with the name and parse tree
-// and associates it with t.
-//
-// It returns an error if t has already been executed.
-func (t *Template) AddParseTree(name string, tree *parse.Tree) (*Template, error) {
-	t.nameSpace.mu.Lock()
-	defer t.nameSpace.mu.Unlock()
-	if t.escaped {
-		return nil, fmt.Errorf("html/template: cannot AddParseTree to %q after it has executed", t.Name())
-	}
-	text, err := t.text.AddParseTree(name, tree)
-	if err != nil {
-		return nil, err
-	}
-	ret := &Template{
-		false,
-		text,
-		text.Tree,
-		t.nameSpace,
-	}
-	t.set[name] = ret
-	return ret, nil
-}
-
-// Clone returns a duplicate of the template, including all associated
-// templates. The actual representation is not copied, but the name space of
-// associated templates is, so further calls to Parse in the copy will add
-// templates to the copy but not to the original. Clone can be used to prepare
-// common templates and use them with variant definitions for other templates
-// by adding the variants after the clone is made.
-//
-// It returns an error if t has already been executed.
-func (t *Template) Clone() (*Template, error) {
-	t.nameSpace.mu.Lock()
-	defer t.nameSpace.mu.Unlock()
-	if t.escaped {
-		return nil, fmt.Errorf("html/template: cannot Clone %q after it has executed", t.Name())
-	}
-	textClone, err := t.text.Clone()
-	if err != nil {
-		return nil, err
-	}
-	ret := &Template{
-		false,
-		textClone,
-		textClone.Tree,
-		&nameSpace{
-			set: make(map[string]*Template),
-		},
-	}
-	for _, x := range textClone.Templates() {
-		name := x.Name()
-		src := t.set[name]
-		if src == nil || src.escaped {
-			return nil, fmt.Errorf("html/template: cannot Clone %q after it has executed", t.Name())
-		}
-		x.Tree = x.Tree.Copy()
-		ret.set[name] = &Template{
-			false,
-			x,
-			x.Tree,
-			ret.nameSpace,
-		}
-	}
-	return ret, nil
-}
-
-// New allocates a new HTML template with the given name.
-func New(name string) *Template {
-	tmpl := &Template{
-		false,
-		template.New(name),
-		nil,
-		&nameSpace{
-			set: make(map[string]*Template),
-		},
-	}
-	tmpl.set[name] = tmpl
-	return tmpl
-}
-
-// New allocates a new HTML template associated with the given one
-// and with the same delimiters. The association, which is transitive,
-// allows one template to invoke another with a {{template}} action.
-func (t *Template) New(name string) *Template {
-	t.nameSpace.mu.Lock()
-	defer t.nameSpace.mu.Unlock()
-	return t.new(name)
-}
-
-// new is the implementation of New, without the lock.
-func (t *Template) new(name string) *Template {
-	tmpl := &Template{
-		false,
-		t.text.New(name),
-		nil,
-		t.nameSpace,
-	}
-	tmpl.set[name] = tmpl
-	return tmpl
-}
-
-// Name returns the name of the template.
-func (t *Template) Name() string {
-	return t.text.Name()
-}
-
-// FuncMap is the type of the map defining the mapping from names to
-// functions. Each function must have either a single return value, or two
-// return values of which the second has type error. In that case, if the
-// second (error) argument evaluates to non-nil during execution, execution
-// terminates and Execute returns that error. FuncMap has the same base type
-// as FuncMap in "text/template", copied here so clients need not import
-// "text/template".
-type FuncMap map[string]interface{}
-
-// 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. However, it is legal to overwrite elements of the map. The return
-// value is the template, so calls can be chained.
-func (t *Template) Funcs(funcMap FuncMap) *Template {
-	t.text.Funcs(template.FuncMap(funcMap))
-	return t
-}
-
-// Delims sets the action delimiters to the specified strings, to be used in
-// subsequent calls to Parse, ParseFiles, or ParseGlob. Nested template
-// definitions will inherit the settings. 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.text.Delims(left, right)
-	return t
-}
-
-// Lookup returns the template with the given name that is associated with t,
-// or nil if there is no such template.
-func (t *Template) Lookup(name string) *Template {
-	t.nameSpace.mu.Lock()
-	defer t.nameSpace.mu.Unlock()
-	return t.set[name]
-}
-
-// Must is a helper that wraps a call to a function returning (*Template, error)
-// and panics if the error is non-nil. It is intended for use in variable initializations
-// such as
-//	var t = template.Must(template.New("name").Parse("html"))
-func Must(t *Template, err error) *Template {
-	if err != nil {
-		panic(err)
-	}
-	return t
-}
-
-// ParseFiles creates a new Template and parses the template definitions from
-// the named files. The returned template's name will have the (base) name and
-// (parsed) contents of the first file. There must be at least one file.
-// If an error occurs, parsing stops and the returned *Template is nil.
-func ParseFiles(filenames ...string) (*Template, error) {
-	return parseFiles(nil, filenames...)
-}
-
-// ParseFiles parses the named files and associates the resulting templates with
-// t. If an error occurs, parsing stops and the returned template is nil;
-// otherwise it is t. There must be at least one file.
-func (t *Template) ParseFiles(filenames ...string) (*Template, error) {
-	return parseFiles(t, filenames...)
-}
-
-// parseFiles is the helper for the method and function. If the argument
-// template is nil, it is created from the first file.
-func parseFiles(t *Template, filenames ...string) (*Template, error) {
-	if len(filenames) == 0 {
-		// Not really a problem, but be consistent.
-		return nil, fmt.Errorf("html/template: no files named in call to ParseFiles")
-	}
-	for _, filename := range filenames {
-		b, err := ioutil.ReadFile(filename)
-		if err != nil {
-			return nil, err
-		}
-		s := string(b)
-		name := filepath.Base(filename)
-		// First template becomes return value if not already defined,
-		// and we use that one for subsequent New calls to associate
-		// all the templates together. Also, if this file has the same name
-		// as t, this file becomes the contents of t, so
-		//  t, err := New(name).Funcs(xxx).ParseFiles(name)
-		// works. Otherwise we create a new template associated with t.
-		var tmpl *Template
-		if t == nil {
-			t = New(name)
-		}
-		if name == t.Name() {
-			tmpl = t
-		} else {
-			tmpl = t.New(name)
-		}
-		_, err = tmpl.Parse(s)
-		if err != nil {
-			return nil, err
-		}
-	}
-	return t, nil
-}
-
-// ParseGlob creates a new Template and parses the template definitions from the
-// files identified by the pattern, which must match at least one file. The
-// returned template will have the (base) name and (parsed) contents of the
-// first file matched by the pattern. ParseGlob is equivalent to calling
-// ParseFiles with the list of files matched by the pattern.
-func ParseGlob(pattern string) (*Template, error) {
-	return parseGlob(nil, pattern)
-}
-
-// ParseGlob parses the template definitions in the files identified by the
-// pattern and associates the resulting templates with t. The pattern is
-// processed by filepath.Glob and must match at least one file. ParseGlob is
-// equivalent to calling t.ParseFiles with the list of files matched by the
-// pattern.
-func (t *Template) ParseGlob(pattern string) (*Template, error) {
-	return parseGlob(t, pattern)
-}
-
-// parseGlob is the implementation of the function and method ParseGlob.
-func parseGlob(t *Template, pattern string) (*Template, error) {
-	filenames, err := filepath.Glob(pattern)
-	if err != nil {
-		return nil, err
-	}
-	if len(filenames) == 0 {
-		return nil, fmt.Errorf("html/template: pattern matches no files: %#q", pattern)
-	}
-	return parseFiles(t, filenames...)
-}