1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{ page_title | default(value="Tera Test") }}</title>
{% if include_styles %}
<style>
body {
font-family: {{ font_family | default(value="sans-serif") }};
color: #333;
line-height: 1.6;
}
.container {
width: 80%;
margin: 0 auto;
}
{% if dark_mode %}
body {
background-color: #222;
color: #eee;
}
{% endif %}
</style>
{% endif %}
</head>
<body>
<div class="container">
{# Header Section with variable interpolation #}
<header>
<h1>{{ header_text | upper }}</h1>
{% if subheader %}
<h2>{{ subheader }}</h2>
{% endif %}
</header>
{# Navigation example with for loop #}
<nav>
<ul>
{% for item in navigation %}
<li class="{{ loop.index0 == current_page ? 'active' : '' }}">
<a href="{{ item.url }}">{{ item.title }}</a>
</li>
{% endfor %}
</ul>
</nav>
{# Main content section with various template features #}
<main>
{# Conditionals #}
{% if user %}
<section class="welcome">
<h2>Welcome back, {{ user.name }}!</h2>
<p>Last login: {{ user.last_login | date(format="%Y-%m-%d") }}</p>
</section>
{% elif visitor_count > 0 %}
<section class="welcome">
<h2>Welcome, visitor!</h2>
<p>You are visitor number {{ visitor_count }}</p>
</section>
{% else %}
<section class="welcome">
<h2>Welcome to our site!</h2>
</section>
{% endif %}
{# Macro definition and usage #}
{% macro render_item(item, featured=false) %}
<div class="item {{ featured ? 'featured' : '' }}">
<h3>{{ item.title }}</h3>
<p>{{ item.description | truncate(length=100) }}</p>
{% if item.tags %}
<div class="tags">
{% for tag in item.tags %}
<span class="tag">{{ tag }}</span>
{% endfor %}
</div>
{% endif %}
</div>
{% endmacro render_item %}
{# Items section with macro usage #}
<section class="items">
<h2>Items ({{ items | length }})</h2>
{% for item in items %}
{{ self::render_item(item=item, featured=item.id == featured_id) }}
{% if not loop.last %}
<hr>
{% endif %}
{% endfor %}
</section>
{# Raw content that shouldn't be processed #}
{% raw %}
<div class="example">
The syntax {{ variable }} will not be processed in raw blocks.
Neither will {% control %} structures.
</div>
{% endraw %}
{# Includes #}
{% include "partials/footer.tera" %}
{# Inheritance example #}
{% block content %}
<p>This is the default content.</p>
{% endblock content %}
{# Set variables #}
{% set text_color = dark_mode ? "#fff" : "#333" %}
{% set items_count = items | length %}
<div style="color: {{ text_color }}">
We have {{ items_count }} items.
</div>
{# Filters with complex expressions #}
<p>{{ "Hello, " ~ user.name | default(value="Guest") | upper }}</p>
<p>{{ items | filter(attribute="featured", value=true) | length }} featured items</p>
{# With statement #}
{% with %}
{% set local_var = "Only visible in this scope" %}
<p>{{ local_var }}</p>
{% endwith %}
{# Mathematical operations #}
<div class="math">
<p>Price: ${{ price }}</p>
<p>Tax ({{ tax_rate * 100 }}%): ${{ price * tax_rate }}</p>
<p>Total: ${{ price * (1 + tax_rate) }}</p>
</div>
{# Boolean operations #}
{% if user and user.is_admin or super_user %}
<div class="admin-panel">Admin panel</div>
{% endif %}
</main>
{# Footer section with filters and includes #}
<footer>
<p>© {{ current_year }} {{ company_name | default(value="Our Company") }}</p>
{% if debug %}
<div class="debug-info">
<p>Render time: {{ render_time }}ms</p>
<p>Template version: {{ version }}</p>
</div>
{% endif %}
</footer>
</div>
<script>
const appData = {
"user": {% if user %}{{ user | json_encode() }}{% else %}null{% endif %},
"settings": {
"theme": "{{ theme | default(value="light") }}",
"notifications": {{ notifications_enabled | string | lower }}
}
};
</script>
</body>
</html>
|
