110 lines
2.6 KiB
Go
110 lines
2.6 KiB
Go
/*
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* Salix - Go templating engine
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* Copyright (C) 2023 Elara Musayelyan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package salix
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import "sync"
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// Namespace represents a collection of templates that can include each other
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type Namespace struct {
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mu sync.Mutex
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tmpls map[string]Template
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vars map[string]any
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tags map[string]Tag
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escapeHTML *bool
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}
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// New returns a new template namespace
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func New() *Namespace {
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return &Namespace{
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tmpls: map[string]Template{},
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vars: map[string]any{},
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tags: map[string]Tag{},
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}
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}
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// WithVarMap sets the namespace's variable map to m
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func (n *Namespace) WithVarMap(m map[string]any) *Namespace {
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n.mu.Lock()
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defer n.mu.Unlock()
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if m == nil {
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n.vars = map[string]any{}
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} else {
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n.vars = m
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}
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return n
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}
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// WithTagMap sets the namespace's tag map to m
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func (n *Namespace) WithTagMap(m map[string]Tag) *Namespace {
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n.mu.Lock()
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defer n.mu.Unlock()
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if m == nil {
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n.tags = map[string]Tag{}
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} else {
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n.tags = m
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}
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return n
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}
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// WithVarMap turns HTML escaping on or off for the namespace
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func (n *Namespace) WithEscapeHTML(b bool) *Namespace {
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n.mu.Lock()
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defer n.mu.Unlock()
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n.escapeHTML = &b
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return n
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}
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// GetTemplate tries to get a template from the namespace's template map.
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// If it finds the template, it returns the template and true. If it
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// doesn't find it, it returns nil and false.
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func (n *Namespace) GetTemplate(name string) (Template, bool) {
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n.mu.Lock()
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defer n.mu.Unlock()
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t, ok := n.tmpls[name]
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return t, ok
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}
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// getVar tries to get a variable from the namespace's variable map
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func (n *Namespace) getVar(name string) (any, bool) {
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n.mu.Lock()
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defer n.mu.Unlock()
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v, ok := n.vars[name]
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return v, ok
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}
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// getTag tries to get a tag from the namespace's tag map
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func (n *Namespace) getTag(name string) (Tag, bool) {
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n.mu.Lock()
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defer n.mu.Unlock()
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t, ok := n.tags[name]
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return t, ok
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}
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// getEscapeHTML returns the namespace's escapeHTML value
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func (n *Namespace) getEscapeHTML() *bool {
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n.mu.Lock()
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defer n.mu.Unlock()
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return n.escapeHTML
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}
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