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108 lines
2.9 KiB
V
108 lines
2.9 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module tmpl
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import os
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import strings
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const (
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str_start = "sb.write(\'"
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str_end = "\' ) "
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)
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// compile_file compiles the content of a file by the given path as a template
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pub fn compile_file(path, fn_name string) string {
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mut html := os.read_file(path) or {
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panic('html failed')
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}
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return compile_template(html, fn_name)
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}
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pub fn compile_template(content, fn_name string) string {
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// lines := os.read_lines(path)
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mut html := content
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mut header := ''
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if os.exists('header.html') && html.contains('@header') {
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h := os.read_file('header.html') or {
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panic('reading file header.html failed')
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}
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header = h.replace("\'", '"')
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html = header + html
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}
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lines := html.split_into_lines()
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mut s := strings.new_builder(1000)
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// base := path.all_after_last('/').replace('.html', '')
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s.writeln("
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import strings
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// === vweb html template ===
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fn vweb_tmpl_${fn_name}() {
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mut sb := strings.new_builder(${lines.len * 30})
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header := \' \' // TODO remove
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_ = header
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//footer := \'footer\'
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")
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s.writeln(str_start)
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mut in_css := false // false
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mut in_span := false
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for _line in lines {
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line := _line.trim_space()
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if line == '<style>' {
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in_css = true
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} else if line == '</style>' {
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// in_css = false
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}
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if line.contains('@if ') {
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s.writeln(str_end)
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pos := line.index('@if') or {
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continue
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}
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s.writeln('if ' + line[pos + 4..] + '{')
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s.writeln(str_start)
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} else if line.contains('@end') {
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s.writeln(str_end)
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s.writeln('}')
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s.writeln(str_start)
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} else if line.contains('@else') {
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s.writeln(str_end)
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s.writeln(' } else { ')
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s.writeln(str_start)
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} else if line.contains('@for') {
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s.writeln(str_end)
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pos := line.index('@for') or {
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continue
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}
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s.writeln('for ' + line[pos + 4..] + '{')
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s.writeln(str_start)
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} else if !in_css && line.contains('span.') && line.ends_with('{') {
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// `span.header {` => `<span class='header'>`
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class := line.find_between('span.', '{').trim_space()
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s.writeln('<span class="$class">')
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in_span = true
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} else if !in_css && line.contains('.') && line.ends_with('{') {
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// `.header {` => `<div class='header'>`
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class := line.find_between('.', '{').trim_space()
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s.writeln('<div class="$class">')
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} else if !in_css && line.contains('#') && line.ends_with('{') {
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// `#header {` => `<div id='header'>`
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class := line.find_between('#', '{').trim_space()
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s.writeln('<div id="$class">')
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} else if !in_css && line == '}' {
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if in_span {
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s.writeln('</span>')
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in_span = false
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} else {
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s.writeln('</div>')
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}
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} else {
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// HTML, may include `@var`
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s.writeln(line.replace('@', '\x24').replace("'", '"'))
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}
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}
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s.writeln(str_end)
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s.writeln('tmpl_res_$fn_name := sb.str() ')
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s.writeln('}')
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s.writeln('// === end of vweb html template ===')
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return s.str()
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}
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