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Removing newlines from XML data [https://github.com/clicon/clixon/issues/65]

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This commit is contained in:
Olof hagsand 2019-01-16 23:17:07 +01:00
parent 26a75a4c50
commit 03ac48ab2b
6 changed files with 44 additions and 10 deletions
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1
CHANGELOG.md
View file

@ -134,6 +134,7 @@
* <!DOCTYPE (ie DTD) is not supported.
### Corrected Bugs
* Removing newlines from XML data [https://github.com/clicon/clixon/issues/65]
* [ietf-netconf-notification@2008-07-01.yang validation problem #62](https://github.com/clicon/clixon/issues/62)
* Ignore CR(\r) in yang files for DOS files
* Keyword "min" (not only "max") can be used in built-in types "range" and "length" statements.

5
lib/src/clixon_xml.c
View file

@ -1483,7 +1483,7 @@ _xml_parse(const char *str,
{
int retval = -1;
struct xml_parse_yacc_arg ya = {0,};
cxobj *x;
if (strlen(str) == 0)
return 0; /* OK */
if (xt == NULL){
@ -1501,6 +1501,9 @@ _xml_parse(const char *str,
goto done;
if (clixon_xml_parseparse(&ya) != 0) /* yacc returns 1 on error */
goto done;
x = NULL;
while ((x = xml_find_type(xt, NULL, "body", CX_BODY)) != NULL)
xml_purge(x);
/* Verify namespaces after parsing */
if (xml_apply0(xt, CX_ELMNT, xml_localname_check, NULL) < 0)
goto done;

8
lib/src/clixon_xml_parse.l
View file

@ -105,8 +105,8 @@ ncname {namestart}{namechar}*
%%
<START,TEXTDECL>[ \t] ;
<START,STATEA,CMNT,TEXTDECL>\n { _YA->ya_linenum++; }
<START,STATEA,CMNT,TEXTDECL>\r
<START,CMNT,TEXTDECL>\n { _YA->ya_linenum++; }
<START,CMNT,TEXTDECL>\r
<START>{ncname} { clixon_xml_parselval.string = strdup(yytext);
return NAME; /* rather be catch-all */
@ -133,6 +133,10 @@ ncname {namestart}{namechar}*
<STATEA>"<?" { BEGIN(PIDECL); return BQMARK; }
<STATEA>\< { BEGIN(START); return *clixon_xml_parsetext; }
<STATEA>& { _YA->ya_lex_state =STATEA;BEGIN(AMPERSAND);}
<STATEA>[ \t] { clixon_xml_parselval.string = yytext;return WHITESPACE; }
<STATEA>\r\n { clixon_xml_parselval.string = "\n";return WHITESPACE; }
<STATEA>\r { clixon_xml_parselval.string = "\n";return WHITESPACE; }
<STATEA>\n { clixon_xml_parselval.string = yytext; _YA->ya_linenum++;return WHITESPACE; }
<STATEA>. { clixon_xml_parselval.string = yytext; return CHARDATA; }
/* @see xml_chardata_encode */

5
lib/src/clixon_xml_parse.y
View file

@ -41,7 +41,7 @@
%start document
%token <string> NAME CHARDATA STRING
%token <string> NAME CHARDATA WHITESPACE STRING
%token MY_EOF
%token VER ENC SD
%token BSLASH ESLASH
@ -363,6 +363,7 @@ misclist : misclist misc { clicon_debug(2, "misclist->misclist misc"); }
/* [27] Misc ::= Comment | PI | S */
misc : comment { clicon_debug(2, "misc->comment"); }
| pi { clicon_debug(2, "misc->pi"); }
| WHITESPACE { clicon_debug(2, "misc->white space"); }
;
xmldcl : BXMLDCL verinfo encodingdecl sddecl EQMARK
@ -424,6 +425,8 @@ content : element { clicon_debug(2, "content -> element"); }
| pi { clicon_debug(2, "content -> pi"); }
| CHARDATA { if (xml_parse_content(_YA, $1) < 0) YYABORT;
clicon_debug(2, "content -> CHARDATA %s", $1); }
| WHITESPACE { if (xml_parse_content(_YA, $1) < 0) YYABORT;
clicon_debug(2, "content -> WHITESPACE %s", $1); }
| { clicon_debug(2, "content -> "); }
;

17
test/test_xml.sh
View file

@ -3,14 +3,20 @@
# @see https://www.w3.org/TR/2008/REC-xml-20081126
# https://www.w3.org/TR/2009/REC-xml-names-20091208
#PROG="valgrind --leak-check=full --show-leak-kinds=all ../util/clixon_util_xml"
PROG=../util/clixon_util_xml
# include err() and new() functions and creates $dir
. ./lib.sh
PROG="../util/clixon_util_xml -D $DBG"
new "xml parse"
expecteof "$PROG" 0 "<a><b/></a>" "^<a><b/></a>$"
new "xml parse to json"
expecteof "$PROG -j" 0 "<a><b/></a>" '^{"a": {"b": null}}$'
new "xml parse strange names"
expecteof "$PROG" 0 "<_-><b0.><c-.-._/></b0.></_->" "^<_-><b0.><c-.-._/></b0.></_->$"
@ -23,6 +29,14 @@ expecteof "$PROG" 255 "<9/>" ""
new "xml parse name errors"
expecteof "$PROG" 255 "<a%/>" ""
LF='
'
new "xml parse content with CR LF -> LF, CR->LF (see https://www.w3.org/TR/REC-xml/#sec-line-ends)"
ret=$(echo "<x>a b${LF}c ${LF}d</x>" | $PROG)
if [ "$ret" != "<x>a${LF}b${LF}c${LF}d</x>" ]; then
err '<x>a$LFb$LFc</x>' "$ret"
fi
XML=$(cat <<EOF
<a><description>An example of escaped CENDs</description>
<sometext>
@ -38,6 +52,7 @@ XML=$(cat <<EOF
</a>
EOF
)
new "xml CDATA"
expecteof "$PROG" 0 "$XML" "^<a><description>An example of escaped CENDs</description><sometext>
<![CDATA[ They're saying \"x < y\" & that \"z > y\" so I guess that means that z > x ]]>

10
util/clixon_util_xml.c
View file

@ -72,6 +72,7 @@ usage(char *argv0)
"where options are\n"
"\t-h \t\tHelp\n"
"\t-D <level> \tDebug\n"
"\t-j \tOutput as JSON\n"
"\t-l <s|e|o> \tLog on (s)yslog, std(e)rr, std(o)ut (stderr is default)\n",
argv0);
exit(0);
@ -87,10 +88,11 @@ main(int argc,
int retval = -1;
int c;
int logdst = CLICON_LOG_STDERR;
int json = 0;
optind = 1;
opterr = 0;
while ((c = getopt(argc, argv, "hD:l:")) != -1)
while ((c = getopt(argc, argv, "hD:jl:")) != -1)
switch (c) {
case 'h':
usage(argv[0]);
@ -99,6 +101,9 @@ main(int argc,
if (sscanf(optarg, "%d", &debug) != 1)
usage(argv[0]);
break;
case 'j':
json++;
break;
case 'l': /* Log destination: s|e|o|f */
if ((logdst = clicon_log_opt(optarg[0])) < 0)
usage(argv[0]);
@ -114,6 +119,9 @@ main(int argc,
}
xc = NULL;
while ((xc = xml_child_each(xt, xc, -1)) != NULL)
if (json)
xml2json_cbuf(cb, xc, 0); /* print xml */
else
clicon_xml2cbuf(cb, xc, 0, 0); /* print xml */
fprintf(stdout, "%s", cbuf_get(cb));
fflush(stdout);