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157 lines
4.8 KiB
Rust
157 lines
4.8 KiB
Rust
use crate::tokens::constants::TokenPattern;
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use crate::tokens::mappings::{
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get_accent_mappings, get_arrow_mapping, get_font_mappings, get_greek_mappings,
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get_grouping_mappings, get_logical_mappings, get_misc_mappings, get_operation_mappings,
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get_relation_mapping,
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};
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use crate::tokens::{
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Accent, Arrow, FontCommand, Greek, Grouping, Logical, Misc, Operation, Relation, Token,
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};
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use charred::tapemachine::CharTapeMachine;
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use std::collections::HashMap;
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use std::fmt::Debug;
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pub struct Tokenizer {
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ctm: CharTapeMachine,
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tokens: Vec<Token>,
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}
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impl Tokenizer {
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pub fn new(text: String) -> Self {
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Self {
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ctm: CharTapeMachine::new(text.chars().collect()),
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tokens: Vec::new(),
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}
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}
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fn parse_misc(&mut self) -> Option<Misc> {
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lazy_static! {
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static ref MISC_MAPPINGS: Vec<HashMap<TokenPattern, Misc>> = get_misc_mappings();
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}
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for mapping in MISC_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_operation(&mut self) -> Option<Operation> {
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lazy_static! {
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static ref OPERATION_MAPPINGS: Vec<HashMap<TokenPattern, Operation>> =
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get_operation_mappings();
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}
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for mapping in OPERATION_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_relation(&mut self) -> Option<Relation> {
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lazy_static! {
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static ref RELATION_MAPPINGS: Vec<HashMap<TokenPattern, Relation>> =
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get_relation_mapping();
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}
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for mapping in RELATION_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_logical(&mut self) -> Option<Logical> {
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lazy_static! {
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static ref LOGICAL_MAPPINGS: Vec<HashMap<TokenPattern, Logical>> =
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get_logical_mappings();
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}
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for mapping in LOGICAL_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_grouping(&mut self) -> Option<Grouping> {
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lazy_static! {
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static ref GROUPING_MAPPINGS: Vec<HashMap<TokenPattern, Grouping>> =
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get_grouping_mappings();
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}
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for mapping in GROUPING_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_arrows(&mut self) -> Option<Arrow> {
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lazy_static! {
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static ref ARROW_MAPPINGS: Vec<HashMap<TokenPattern, Arrow>> = get_arrow_mapping();
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}
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for mapping in ARROW_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_accent(&mut self) -> Option<Accent> {
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lazy_static! {
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static ref ACCENT_MAPPINGS: Vec<HashMap<TokenPattern, Accent>> = get_accent_mappings();
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}
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for mapping in ACCENT_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_greek(&mut self) -> Option<Greek> {
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lazy_static! {
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static ref GREEK_MAPPINGS: Vec<HashMap<TokenPattern, Greek>> = get_greek_mappings();
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}
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for mapping in GREEK_MAPPINGS.iter() {
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for key in mapping.keys() {
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if self.ctm.check_any_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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fn parse_font_command(&mut self) -> Option<FontCommand> {
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lazy_static! {
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static ref FONTC_MAPPING: Vec<HashMap<&'static str, FontCommand>> = get_font_mappings();
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}
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for mapping in FONTC_MAPPING.iter() {
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for key in mapping.keys() {
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if self.ctm.check_str_sequence(*key) {
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return Some(mapping[key].clone());
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}
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}
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}
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None
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}
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}
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