tailwind-rs-core 0.15.4

Core types and utilities for tailwind-rs
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//! Columns Utilities Parser
//!
//! This module provides parsing logic for column utilities,
//! such as `columns-3`, `columns-xs`, `columns-sm`, etc.

use super::{UtilityParser, ParserCategory};
use crate::css_generator::types::CssProperty;

#[derive(Debug, Clone)]
pub struct ColumnsParser;

impl ColumnsParser {
    pub fn new() -> Self { Self }

    /// Parse column number classes
    fn parse_column_number_class(&self, class: &str) -> Option<Vec<CssProperty>> {
        if let Some(number) = class.strip_prefix("columns-") {
            // Check if it's a number (1-12)
            if number.parse::<u32>().is_ok() {
                return Some(vec![CssProperty { name: "columns".to_string(), value: number.to_string(), important: false }]);
            }
        }
        None
    }

    /// Parse column size classes
    fn parse_column_size_class(&self, class: &str) -> Option<Vec<CssProperty>> {
        match class {
            "columns-3xs" => Some(vec![CssProperty { name: "columns".to_string(), value: "16rem".to_string(), important: false }]),
            "columns-2xs" => Some(vec![CssProperty { name: "columns".to_string(), value: "18rem".to_string(), important: false }]),
            "columns-xs" => Some(vec![CssProperty { name: "columns".to_string(), value: "20rem".to_string(), important: false }]),
            "columns-sm" => Some(vec![CssProperty { name: "columns".to_string(), value: "24rem".to_string(), important: false }]),
            "columns-md" => Some(vec![CssProperty { name: "columns".to_string(), value: "28rem".to_string(), important: false }]),
            "columns-lg" => Some(vec![CssProperty { name: "columns".to_string(), value: "32rem".to_string(), important: false }]),
            "columns-xl" => Some(vec![CssProperty { name: "columns".to_string(), value: "36rem".to_string(), important: false }]),
            "columns-2xl" => Some(vec![CssProperty { name: "columns".to_string(), value: "42rem".to_string(), important: false }]),
            "columns-3xl" => Some(vec![CssProperty { name: "columns".to_string(), value: "48rem".to_string(), important: false }]),
            "columns-4xl" => Some(vec![CssProperty { name: "columns".to_string(), value: "56rem".to_string(), important: false }]),
            "columns-5xl" => Some(vec![CssProperty { name: "columns".to_string(), value: "64rem".to_string(), important: false }]),
            "columns-6xl" => Some(vec![CssProperty { name: "columns".to_string(), value: "72rem".to_string(), important: false }]),
            "columns-7xl" => Some(vec![CssProperty { name: "columns".to_string(), value: "80rem".to_string(), important: false }]),
            _ => None,
        }
    }

    /// Parse arbitrary column classes
    fn parse_arbitrary_column_class(&self, class: &str) -> Option<Vec<CssProperty>> {
        if let Some(value) = class.strip_prefix("columns-[") {
            if let Some(value) = value.strip_suffix("]") {
                return Some(vec![CssProperty { name: "columns".to_string(), value: value.to_string(), important: false }]);
            }
        }
        None
    }

    /// Parse custom property column classes
    fn parse_custom_property_column_class(&self, class: &str) -> Option<Vec<CssProperty>> {
        if let Some(prop) = class.strip_prefix("columns-(") {
            if let Some(prop) = prop.strip_suffix(")") {
                return Some(vec![CssProperty { name: "columns".to_string(), value: format!("var({})", prop), important: false }]);
            }
        }
        None
    }
}

impl UtilityParser for ColumnsParser {
    fn parse_class(&self, class: &str) -> Option<Vec<CssProperty>> {
        if let Some(properties) = self.parse_column_number_class(class) {
            return Some(properties);
        }
        if let Some(properties) = self.parse_column_size_class(class) {
            return Some(properties);
        }
        if let Some(properties) = self.parse_arbitrary_column_class(class) {
            return Some(properties);
        }
        if let Some(properties) = self.parse_custom_property_column_class(class) {
            return Some(properties);
        }
        None
    }

    fn get_supported_patterns(&self) -> Vec<&'static str> {
        vec![
            "columns-1", "columns-2", "columns-3", "columns-4", "columns-5", "columns-6",
            "columns-3xs", "columns-2xs", "columns-xs", "columns-sm", "columns-md", 
            "columns-lg", "columns-xl", "columns-2xl", "columns-3xl", "columns-4xl", 
            "columns-5xl", "columns-6xl", "columns-7xl",
            "columns-[*]", "columns-(*)"
        ]
    }

    fn get_priority(&self) -> u32 { 70 }
    fn get_category(&self) -> ParserCategory { ParserCategory::Layout }
}

impl Default for ColumnsParser {
    fn default() -> Self { Self::new() }
}