parse_tex: Parse LaTeX lines
In TeXCheckR: Parses LaTeX Documents for Errors

Description Usage Arguments Value Examples

Parse LaTeX lines

1	parse_tex(tex_lines)

tex_lines

Character vector (as read from a .tex file).

A data.table where each row identifies a unique character in tex_lines.

line_no: Matches the index of tex_lines.
char_no: The character within line_no.
char: The character. A single character.
tex_group: The TeX group by default. Any delimiters can be used.
optional_tex_group: (If any present), the optional TeX group.
tgi: The number of braces opened at the i-th current TeX group level.
GROUP_IDi: An integer identifying the unique contiguous block at the TeX group at or above the current group level.
GROUP_IDi: The analog for optional groups.

If tex_lines is zero-length, a null data.table.

parse_tex(c("A{}", "B[a]{b{c}{d}}z"))
# The version transposed:
#
#>          char : A{}B[a]{b{c}{d}}z
#>           tg1 : 011111122......22
#>           tg2 : 00000000011122222
#>           og1 : 00001111111111111
#>     GROUP_ID1 : .11....222222222.
#>     GROUP_ID2 : .........111222..
#> OPT_GROUP_ID1 : ....111..........