find_elements: Find elements in a parsed HTML page
In leonardodiegues/chewie: Chewie

Description Usage Arguments Value Examples

find_elements scrapes a HTML page using rvest::html_elements and paths described in a chewie_instruction object. If path argument in instruction doesn't find any results it will automatically switch to an alternative_path if it is described in instruction as well.

1	find_elements(page, instruction)

`page`	a `xml_document` object
`instruction`	a `chewie_instruction` object

correspondent xml_node or xml_nodeset of the described path/ alternative_path

## Not run: 
sample_instruction <- instruction(
  title = "price_header",
  path = "h1:nth-of-type(1)",
  selector = "css",
  alternative_path = "h2:nth-of-type(2)",
  parse_as = "text"
)

sample_page <- rvest::read_html(response)

results <- find_elements(sample_page, sample_instruction)

## End(Not run)