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Diffstat (limited to 'sfeed.c')
-rw-r--r--sfeed.c85
1 files changed, 46 insertions, 39 deletions
diff --git a/sfeed.c b/sfeed.c
index 7eab8ab..b765852 100644
--- a/sfeed.c
+++ b/sfeed.c
@@ -90,7 +90,7 @@ enum {
typedef struct feedcontext {
String *field; /* current FeedItem field String */
FeedField fields[FeedFieldLast]; /* data for current item */
- FeedTag *tag; /* unique current parsed tag */
+ FeedTag tag; /* unique current parsed tag */
int iscontent; /* in content data */
int iscontenttag; /* in content tag */
enum ContentType contenttype; /* content-type for item */
@@ -206,7 +206,7 @@ static const int FieldSeparator = '\t';
static const char *FieldMultiSeparator = "|";
static const char *baseurl = "";
-static FeedContext ctx = { .tag = &notag };
+static FeedContext ctx;
static XMLParser parser; /* XML parser state */
static String tmpstr;
static enum ContentType tmpcontenttype; /* content-type for item */
@@ -687,7 +687,7 @@ xmlattr(XMLParser *p, const char *t, size_t tl, const char *n, size_t nl,
return;
}
- if (!ctx.tag->id)
+ if (!ctx.tag.id)
return;
/* content-type may be: Atom: text, xhtml, html or mime-type.
@@ -709,36 +709,36 @@ xmlattr(XMLParser *p, const char *t, size_t tl, const char *n, size_t nl,
}
if (ctx.feedtype == FeedTypeRSS) {
- if (ctx.tag->id == RSSTagEnclosure &&
+ if (ctx.tag.id == RSSTagEnclosure &&
isattr(n, nl, STRP("url"))) {
string_append(&tmpstr, v, vl);
- } else if ((ctx.tag->id == RSSTagGuid ||
- ctx.tag->id == RSSTagGuidPermalinkFalse ||
- ctx.tag->id == RSSTagGuidPermalinkTrue) &&
+ } else if ((ctx.tag.id == RSSTagGuid ||
+ ctx.tag.id == RSSTagGuidPermalinkFalse ||
+ ctx.tag.id == RSSTagGuidPermalinkTrue) &&
isattr(n, nl, STRP("ispermalink"))) {
if (isattr(v, vl, STRP("true")))
- ctx.tag->id = RSSTagGuidPermalinkTrue;
+ ctx.tag.id = RSSTagGuidPermalinkTrue;
else
- ctx.tag->id = RSSTagGuidPermalinkFalse;
+ ctx.tag.id = RSSTagGuidPermalinkFalse;
}
} else if (ctx.feedtype == FeedTypeAtom) {
- if (ctx.tag->id == AtomTagLink ||
- ctx.tag->id == AtomTagLinkAlternate ||
- ctx.tag->id == AtomTagLinkEnclosure) {
+ if (ctx.tag.id == AtomTagLink ||
+ ctx.tag.id == AtomTagLinkAlternate ||
+ ctx.tag.id == AtomTagLinkEnclosure) {
if (isattr(n, nl, STRP("rel"))) {
/* empty or "alternate": other types could be
"enclosure", "related", "self" or "via" */
if (!vl || isattr(v, vl, STRP("alternate")))
- ctx.tag->id = AtomTagLinkAlternate;
+ ctx.tag.id = AtomTagLinkAlternate;
else if (isattr(v, vl, STRP("enclosure")))
- ctx.tag->id = AtomTagLinkEnclosure;
+ ctx.tag.id = AtomTagLinkEnclosure;
else
- ctx.tag->id = AtomTagLink; /* unknown */
- } else if (ctx.tag->id != AtomTagLink &&
+ ctx.tag.id = AtomTagLink; /* unknown */
+ } else if (ctx.tag.id != AtomTagLink &&
isattr(n, nl, STRP("href"))) {
string_append(&tmpstr, v, vl);
}
- } else if (ctx.tag->id == AtomTagCategory &&
+ } else if (ctx.tag.id == AtomTagCategory &&
isattr(n, nl, STRP("term"))) {
string_append(&tmpstr, v, vl);
}
@@ -759,7 +759,7 @@ xmlattrentity(XMLParser *p, const char *t, size_t tl, const char *n, size_t nl,
return;
}
- if (!ctx.tag->id)
+ if (!ctx.tag.id)
return;
/* try to translate entity, else just pass as data to
@@ -807,7 +807,7 @@ xmldata(XMLParser *p, const char *s, size_t len)
if (!ctx.field)
return;
- if (ISFEEDFIELDMULTI(fieldmap[ctx.tag->id]))
+ if (ISFEEDFIELDMULTI(fieldmap[ctx.tag.id]))
string_append(&tmpstr, s, len);
else
string_append(ctx.field, s, len);
@@ -833,6 +833,8 @@ xmldataentity(XMLParser *p, const char *data, size_t datalen)
static void
xmltagstart(XMLParser *p, const char *t, size_t tl)
{
+ FeedTag *f;
+
if (ISINCONTENT(ctx)) {
if (ctx.contenttype == ContentTypeHTML) {
ctx.attrcount = 0;
@@ -852,28 +854,31 @@ xmltagstart(XMLParser *p, const char *t, size_t tl)
}
/* field tagid already set or nested tags. */
- if (ctx.tag->id) {
+ if (ctx.tag.id) {
/* nested <author><name> for Atom */
- if (ctx.tag->id == AtomTagAuthor &&
+ if (ctx.tag.id == AtomTagAuthor &&
istag(t, tl, STRP("name"))) {
- ctx.tag = &atomtagauthorname;
+ memcpy(&(ctx.tag), &atomtagauthorname, sizeof(ctx.tag));
} else {
return; /* other nested tags are not allowed: return */
}
}
/* in item */
- if (ctx.tag->id == TagUnknown && !(ctx.tag = gettag(ctx.feedtype, t, tl)))
- ctx.tag = &notag;
+ if (ctx.tag.id == TagUnknown) {
+ if (!(f = gettag(ctx.feedtype, t, tl)))
+ f = &notag;
+ memcpy(&(ctx.tag), f, sizeof(ctx.tag));
+ }
- switch (ctx.tag->id) {
+ switch (ctx.tag.id) {
case AtomTagLink:
/* without a rel attribute the default link type is "alternate" */
- ctx.tag->id = AtomTagLinkAlternate;
+ ctx.tag.id = AtomTagLinkAlternate;
break;
case RSSTagGuid:
/* without a ispermalink attribute the default value is "true" */
- ctx.tag->id = RSSTagGuidPermalinkTrue;
+ ctx.tag.id = RSSTagGuidPermalinkTrue;
break;
case RSSTagContentEncoded:
case RSSTagDescription:
@@ -907,7 +912,7 @@ xmltagstartparsed(XMLParser *p, const char *t, size_t tl, int isshort)
return;
}
- tagid = ctx.tag->id;
+ tagid = ctx.tag.id;
/* map tag type to field: unknown or lesser priority is ignored,
when tags of the same type are repeated only the first is used. */
@@ -928,7 +933,7 @@ xmltagstartparsed(XMLParser *p, const char *t, size_t tl, int isshort)
/* clear field if it is overwritten (with a priority order) for the new
value, if the field can have multiple values then do not clear it. */
- if (!ISFEEDFIELDMULTI(fieldmap[ctx.tag->id]))
+ if (!ISFEEDFIELDMULTI(fieldmap[ctx.tag.id]))
string_clear(ctx.field);
}
@@ -942,7 +947,7 @@ xmltagend(XMLParser *p, const char *t, size_t tl, int isshort)
if (ISINCONTENT(ctx)) {
/* not close content field */
- if (!istag(ctx.tag->name, ctx.tag->len, t, tl)) {
+ if (!istag(ctx.tag.name, ctx.tag.len, t, tl)) {
if (!isshort && ctx.contenttype == ContentTypeHTML) {
xmldata(p, "</", 2);
xmldata(p, t, tl);
@@ -950,18 +955,18 @@ xmltagend(XMLParser *p, const char *t, size_t tl, int isshort)
}
return;
}
- } else if (ctx.tag->id && istag(ctx.tag->name, ctx.tag->len, t, tl)) {
+ } else if (ctx.tag.id && istag(ctx.tag.name, ctx.tag.len, t, tl)) {
/* matched tag end: close it */
/* copy also to the link field if the attribute isPermaLink="true"
and it is not set by a tag with higher prio. */
- if (ctx.tag->id == RSSTagGuidPermalinkTrue && ctx.field &&
- ctx.tag->id > ctx.fields[FeedFieldLink].tagid) {
+ if (ctx.tag.id == RSSTagGuidPermalinkTrue && ctx.field &&
+ ctx.tag.id > ctx.fields[FeedFieldLink].tagid) {
string_clear(&ctx.fields[FeedFieldLink].str);
string_append(&ctx.fields[FeedFieldLink].str,
ctx.field->data, ctx.field->len);
- ctx.fields[FeedFieldLink].tagid = ctx.tag->id;
+ ctx.fields[FeedFieldLink].tagid = ctx.tag.id;
}
- } else if (!ctx.tag->id && ((ctx.feedtype == FeedTypeAtom &&
+ } else if (!ctx.tag.id && ((ctx.feedtype == FeedTypeAtom &&
istag(t, tl, STRP("entry"))) || /* Atom */
(ctx.feedtype == FeedTypeRSS &&
istag(t, tl, STRP("item"))))) /* RSS */
@@ -985,7 +990,7 @@ xmltagend(XMLParser *p, const char *t, size_t tl, int isshort)
directly and need more context, for example by it's tag
attributes, like the Atom link rel="alternate|enclosure". */
if (tmpstr.len && ctx.field) {
- if (ISFEEDFIELDMULTI(fieldmap[ctx.tag->id])) {
+ if (ISFEEDFIELDMULTI(fieldmap[ctx.tag.id])) {
if (ctx.field->len)
string_append(ctx.field, FieldMultiSeparator, 1);
string_append(ctx.field, tmpstr.data, tmpstr.len);
@@ -998,10 +1003,10 @@ xmltagend(XMLParser *p, const char *t, size_t tl, int isshort)
/* close field */
string_clear(&tmpstr); /* reuse and clear temporary string */
- if (ctx.tag->id == AtomTagAuthorName)
- ctx.tag = &atomtagauthor; /* outer tag */
+ if (ctx.tag.id == AtomTagAuthorName)
+ memcpy(&(ctx.tag), &atomtagauthor, sizeof(ctx.tag)); /* outer tag */
else
- ctx.tag = &notag;
+ memcpy(&(ctx.tag), &notag, sizeof(ctx.tag));
ctx.iscontent = 0;
ctx.field = NULL;
@@ -1016,6 +1021,8 @@ main(int argc, char *argv[])
if (argc > 1)
baseurl = argv[1];
+ memcpy(&(ctx.tag), &notag, sizeof(ctx.tag));
+
parser.xmlattr = xmlattr;
parser.xmlattrentity = xmlattrentity;
parser.xmlattrend = xmlattrend;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-02 23:31:14 +0000