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43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
use regex::Regex;
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use std::collections::HashMap;
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pub mod html;
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pub struct Template {
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value: String,
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replacements: HashMap<String, String>,
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}
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impl Template {
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pub fn new(value: String) -> Self {
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Self {
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value,
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replacements: HashMap::new(),
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}
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}
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pub fn add_replacement(&mut self, name: &str, val: &str) {
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self.replacements.insert(name.to_string(), val.to_string());
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}
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pub fn set_replacements(&mut self, replacements: HashMap<String, String>) {
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self.replacements = replacements;
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}
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pub fn render(&mut self) -> String {
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lazy_static::lazy_static! { static ref RE_REP: Regex = Regex::new(r"\{\{([^}]*)}}").unwrap(); }
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let mut ret_string = self.value.clone();
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RE_REP.find_iter(&self.value).for_each(|m| {
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let full_match = m.as_str();
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let name = &full_match[2..full_match.len() - 2];
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if let Some(val) = self.replacements.get(name) {
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ret_string = ret_string.replace(full_match, val)
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} else {
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ret_string = ret_string.replace(full_match, "")
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}
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});
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ret_string
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}
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}
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