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digit+ } +cents = { digit{2} } +account = { word ~ ":" } +term_account = { word } +transaction_line = { indent ~ account* ~ term_account ~ indent+ ~ money } +transaction = { transaction_head ~ nl ~ (transaction_line ~ nl)+ } +comment = { ";" ~ any } diff --git a/pest/ledger.pest b/pest/ledger.pest new file mode 100644 index 0000000..f118fa9 --- /dev/null +++ b/pest/ledger.pest @@ -0,0 +1,26 @@ +alpha = _{ ASCII_ALPHA } +digit = _{ ASCII_DIGIT } +alpha_num = _{ ASCII_ALPHANUMERIC } +any = _{ ASCII } +nl = _{ NEWLINE } +space = _{ " " } +indent = _{ space{2} } +word = _{ alpha+ } + +year = { digit{2, 4} } +month = { digit{1, 2} } +day = { digit{1, 2} } +date = { year ~ "/" ~ month ~ "/" ~ day } + +title = { word+ } +transaction_head = { date ~ space+ ~ title } + +account = { word ~ ":"? } +currency = { "EUR" } +eur = { digit+ } +cents = { digit{2} } +money = { "-"? ~ eur ~ "." ~ cents ~ " " ~ currency } +transaction_line = { indent ~ account* ~ indent+ ~ money } +transaction = { transaction_head ~ nl ~ (transaction_line ~ nl)+ } + +comment = { ";" ~ any } diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..edeb8f6 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,9 @@ +use pest_derive::Parser; + +#[derive(Parser)] +#[grammar = "../pest/ledger.pest"] // relative to src +struct LedgerParser; + +fn main() { + println!("Hello, world!"); +}