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LVGrammar_ParseSentence

Reference Number: AA-00849 Views: 1471 0 Rating/ Voters

Use a loaded grammar object to parse a sentence.

Function

  • int LVGrammar_ParseSentence(HGRAMMAR Grammar, const char* sentence)

Parameters

Grammar

A handle to the grammar.

sentence

The sentence to parse.

Return Values

0

The sentence is not covered by the grammar.

non-0

The number of distinct parses.

Example

Assume a grammar was defined as:

root $yes_no;

$yes_no = $yes | $no;

$yes = yes [please];

$no = no [thank you];

You can use this grammar to validate sentences as follows:

int count = LVGrammar_ParseSentence(grammar, "no thank you); // Returns 1

int count = LVGrammar_ParseSentence(grammar, "no thanks); // Returns 0

Remarks

With this function, you can identify how well a grammar covers your targeted transcript set.

See Also