87 lines
2.1 KiB
V
87 lines
2.1 KiB
V
// Copyright (c) 2019 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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pub fn compile_template(path string) string {
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//lines := os.read_lines(path)
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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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mut header := ''
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if os.file_exists('header.html') {
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h := os.read_file('header.html') or {
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panic('html failed')
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}
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header = h.replace('\'', '"')
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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('/').replace('.html', '')
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s.writeln('module main import strings fn ${base}_view() string { // this line will get removed becase only function body is embedded
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mut sb := strings.new_builder(${lines.len * 30})
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header := \'$header\'
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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 :=true// 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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}
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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')
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s.writeln('if ' + line[pos + 4..] + '{')
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s.writeln(STR_START)
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}
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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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}
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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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}
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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')
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s.writeln('for ' + line[pos + 4..] + '{')
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s.writeln(STR_START)
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}
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else if !in_css && line.contains('.') && line.ends_with('{') {
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class := line.find_between('.', '{')
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s.writeln('<div class="$class">')
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}
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else if !in_css && line == '}' {
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s.writeln('</div>')
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}
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// HTML, may include `@var`
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else {
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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 := sb.str() ')
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s.writeln('return tmpl_res }')
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return s.str()
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}
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