Test objects
Usage
is_env(item, envtypes = NULL)
is_macro(item, macros = NULL)
is_block(item)
is_bracket(item, bracket)
is_whitespace(item)Arguments
- item
An object of class LaTeX2item to test.
- envtypes
Types of Latex environment to check for, e.g.
"table".- macros
Which macros to match, e.g.
"\\\\caption".- bracket
Which bracket are we looking for?
Value
is_env() returns a boolean if the item matches.
is_macro() returns a boolean indicating the match.
is_block() returns a boolean indicating whether the item is a block wrapped in curly braces.
is_bracket() returns a boolean indicating that the item is a bracket of the
specified type.
is_whitespace() returns a boolean indicating if the
item is a space, tab or newline.
Examples
is_bracket(parseLatex("[]")[[1]], "[")
#> [1] TRUE