// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module tmpl
import os
import strings
const (
str_start = "sb.write_string('"
str_end = "' ) "
)
// compile_file compiles the content of a file by the given path as a template
pub fn compile_file(path string, fn_name string) string {
basepath := os.dir(path)
html := os.read_file(path) or { panic('html failed') }
return compile_template(basepath, html, fn_name)
}
enum State {
html
css // ' {
state = .html
} else if line == '' {
state = .html
}
if line.contains('@include ') {
lines.delete(i)
mut file_name := line.split("'")[1]
mut file_ext := os.file_ext(file_name)
if file_ext == '' {
file_ext = '.html'
}
file_name = file_name.replace(file_ext, '')
mut templates_folder := os.join_path(basepath, 'templates')
if file_name.contains('/') {
if file_name.starts_with('/') {
// absolute path
templates_folder = ''
} else {
// relative path, starting with the current folder
templates_folder = os.real_path(basepath)
}
}
file_path := os.real_path(os.join_path(templates_folder, '$file_name$file_ext'))
$if trace_tmpl ? {
eprintln('>>> basepath: "$basepath" , fn_name: "$fn_name" , @include line: "$line" , file_name: "$file_name" , file_ext: "$file_ext" , templates_folder: "$templates_folder" , file_path: "$file_path"')
}
file_content := os.read_file(file_path) or {
panic('Vweb: Reading file $file_name failed.')
}
file_splitted := file_content.split_into_lines().reverse()
for f in file_splitted {
lines.insert(i, f)
}
i--
} else if line.contains('@js ') {
pos := line.index('@js') or { continue }
s.write_string('')
} else if line.contains('@css ') {
pos := line.index('@css') or { continue }
s.write_string('')
} else if line.contains('@if ') {
s.writeln(tmpl.str_end)
pos := line.index('@if') or { continue }
s.writeln('if ' + line[pos + 4..] + '{')
s.writeln(tmpl.str_start)
} else if line.contains('@end') {
s.writeln(tmpl.str_end)
s.writeln('}')
s.writeln(tmpl.str_start)
} else if line.contains('@else') {
s.writeln(tmpl.str_end)
s.writeln(' } else { ')
s.writeln(tmpl.str_start)
} else if line.contains('@for') {
s.writeln(tmpl.str_end)
pos := line.index('@for') or { continue }
s.writeln('for ' + line[pos + 4..] + '{')
s.writeln(tmpl.str_start)
} else if state == .html && line.contains('span.') && line.ends_with('{') {
// `span.header {` => `