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update comments clarifying changes to state table from vt100.net

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This commit is contained in:
Mitchell Hashimoto
2022-05-16 11:26:06 -07:00
parent 751f97220e
commit 94c9f73ec0
1 changed files with 12 additions and 0 deletions
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12
src/terminal/parse_table.zig
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@ -1,5 +1,17 @@
//! The primary export of this file is "table", which contains a //! The primary export of this file is "table", which contains a
//! comptime-generated state transition table for VT emulation. //! comptime-generated state transition table for VT emulation.
//!
//! This is based on the vt100.net state machine:
//! https://vt100.net/emu/dec_ansi_parser
//! But has some modifications:
//!
//! * utf8 state introduced to detect UTF8-encoded sequences. The
//! actual handling back OUT of the utf8 state is done manualy in the
//! parser.
//!
//! * csi_param accepts the colon character (':') since the SGR command
//! accepts colon as a valid parameter value.
//!
const std = @import("std"); const std = @import("std");
const builtin = @import("builtin"); const builtin = @import("builtin");