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-rw-r--r--src/parse/properties/utils.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/parse/properties/utils.h b/src/parse/properties/utils.h
index e4c97c7..e5331d2 100644
--- a/src/parse/properties/utils.h
+++ b/src/parse/properties/utils.h
@@ -199,4 +199,28 @@ css_error css__comma_list_to_style(css_language *c,
bool first),
css_style *result);
+/**
+ * Parse a CSS calc() invocation
+ *
+ * Calc can generate a number of kinds of units, so we have to tell the
+ * parser the kind of unit we're aiming for (e.g. UNIT_PX, UNIT_ANGLE, etc.)
+ *
+ * \param[in] c Parsing context
+ * \param[in] vector Vector of tokens to process
+ * \param[in] ctx Pointer to vector iteration context
+ * \param[in] result Pointer to location to receive resulting style
+ * \param[in] property The CSS property we are calculating for
+ * \param[in] unit The kind of unit which we want to come out of this calc()
+ * \return CSS_OK on success,
+ * CSS_NOMEM on memory exhaustion,
+ CSS_INVALID if the input is not valid
+ *
+ * Post condition: \a *ctx is updated with the next token to process
+ * If the input is invalid, then \a *ctx remains unchanged.
+ */
+css_error css__parse_calc(css_language *c,
+ const parserutils_vector *vector, int *ctx,
+ css_style *result,
+ css_code_t property,
+ uint32_t unit);
#endif