diff options
Diffstat (limited to 'src/inlines.c')
-rw-r--r-- | src/inlines.c | 63 |
1 files changed, 38 insertions, 25 deletions
diff --git a/src/inlines.c b/src/inlines.c index b116717..69a3611 100644 --- a/src/inlines.c +++ b/src/inlines.c @@ -11,19 +11,20 @@ #include "inlines.h" #include "debug.h" -typedef struct InlineStack { - struct InlineStack *previous; +typedef struct OpenerStack { + struct OpenerStack *previous; node_inl *first_inline; int delim_count; unsigned char delim_char; -} inline_stack; + int position; +} opener_stack; typedef struct Subject { chunk input; int pos; int label_nestlevel; reference_map *refmap; - inline_stack *emphasis_openers; + opener_stack *openers; int emphasis_nestlevel; } subject; @@ -197,7 +198,7 @@ static void subject_from_buf(subject *e, strbuf *buffer, reference_map *refmap) e->pos = 0; e->label_nestlevel = 0; e->refmap = refmap; - e->emphasis_openers = NULL; + e->openers = NULL; e->emphasis_nestlevel = 0; chunk_rtrim(&e->input); @@ -211,7 +212,7 @@ static void subject_from_chunk(subject *e, chunk *chunk, reference_map *refmap) e->pos = 0; e->label_nestlevel = 0; e->refmap = refmap; - e->emphasis_openers = NULL; + e->openers = NULL; e->emphasis_nestlevel = 0; chunk_rtrim(&e->input); @@ -326,17 +327,35 @@ static int scan_delims(subject* subj, unsigned char c, bool * can_open, bool * c return numdelims; } -static void free_openers(subject* subj, inline_stack* istack) +static void free_openers(subject* subj, opener_stack* istack) { - inline_stack * tempstack; - while (subj->emphasis_openers != istack) { - tempstack = subj->emphasis_openers; - subj->emphasis_openers = subj->emphasis_openers->previous; + opener_stack * tempstack; + while (subj->openers != istack) { + tempstack = subj->openers; + subj->openers = subj->openers->previous; subj->emphasis_nestlevel--; free(tempstack); } } +static opener_stack * push_opener(subject *subj, + int numdelims, + unsigned char c, + node_inl *inl_text) +{ + opener_stack *istack = + (opener_stack*)malloc(sizeof(opener_stack)); + if (istack == NULL) { + return NULL; + } + istack->delim_count = numdelims; + istack->delim_char = c; + istack->first_inline = inl_text; + istack->previous = subj->openers; + istack->position = subj->pos; + return istack; +} + // Parse strong/emph or a fallback. // Assumes the subject has '_' or '*' at the current position. static node_inl* handle_strong_emph(subject* subj, unsigned char c, node_inl **last) @@ -345,7 +364,7 @@ static node_inl* handle_strong_emph(subject* subj, unsigned char c, node_inl **l int numdelims; int useDelims; int openerDelims; - inline_stack * istack; + opener_stack * istack; node_inl * inl; node_inl * emph; node_inl * inl_text; @@ -355,7 +374,7 @@ static node_inl* handle_strong_emph(subject* subj, unsigned char c, node_inl **l if (can_close) { // walk the stack and find a matching opener, if there is one - istack = subj->emphasis_openers; + istack = subj->openers; while (true) { if (istack == NULL) @@ -419,16 +438,10 @@ static node_inl* handle_strong_emph(subject* subj, unsigned char c, node_inl **l if (can_open) { - istack = (inline_stack*)malloc(sizeof(inline_stack)); - if (istack == NULL) { - return NULL; - } - istack->delim_count = numdelims; - istack->delim_char = c; - istack->first_inline = inl_text; - istack->previous = subj->emphasis_openers; - subj->emphasis_openers = istack; - subj->emphasis_nestlevel++; + subj->openers = push_opener(subj, + numdelims, + c, + inl_text); } return inl_text; @@ -771,8 +784,8 @@ extern node_inl* parse_inlines_from_subject(subject* subj) } } - inline_stack* istack = subj->emphasis_openers; - inline_stack* temp; + opener_stack* istack = subj->openers; + opener_stack* temp; while (istack != NULL) { temp = istack->previous; free(istack); |