tests: Test objects

Description

Test objects

Usage

is_env(item, envtypes = NULL)
is_macro(item, macros = NULL)
is_block(item)
is_bracket(item, bracket)
is_whitespace(item)
is_text(item)
is_error(item)
is_itemlist(item)
is_placeholder(item)
is_char(item, char)
is_catcode(item, code)

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.

is_text() returns a boolean indicating if the item is text.

is_error() returns a boolean indicating if the item is an error.

is_itemlist() returns a boolean indicating if the item is an ITEMLIST item.

is_placeholder() returns a boolean indicating if the item is a PLACEHOLDER item.

is_char() returns a boolean indicating if the item is a SPECIAL matching char.

is_catcode() returns a boolean indicating if the item is a SPECIAL with the given catcode.

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?
char: A character to match
code: A catcode to match

Examples

Run this code

is_bracket(parseLatex("[]")[[1]], "[")

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