diff options
Diffstat (limited to 'ext/miniupnpc/minixml.c')
| -rw-r--r-- | ext/miniupnpc/minixml.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/ext/miniupnpc/minixml.c b/ext/miniupnpc/minixml.c new file mode 100644 index 00000000..3e201ec2 --- /dev/null +++ b/ext/miniupnpc/minixml.c @@ -0,0 +1,229 @@ +/* $Id: minixml.c,v 1.11 2014/02/03 15:54:12 nanard Exp $ */ +/* minixml.c : the minimum size a xml parser can be ! */ +/* Project : miniupnp + * webpage: http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/ + * Author : Thomas Bernard + +Copyright (c) 2005-2014, Thomas BERNARD +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. +*/ +#include <string.h> +#include "minixml.h" + +/* parseatt : used to parse the argument list + * return 0 (false) in case of success and -1 (true) if the end + * of the xmlbuffer is reached. */ +static int parseatt(struct xmlparser * p) +{ + const char * attname; + int attnamelen; + const char * attvalue; + int attvaluelen; + while(p->xml < p->xmlend) + { + if(*p->xml=='/' || *p->xml=='>') + return 0; + if( !IS_WHITE_SPACE(*p->xml) ) + { + char sep; + attname = p->xml; + attnamelen = 0; + while(*p->xml!='=' && !IS_WHITE_SPACE(*p->xml) ) + { + attnamelen++; p->xml++; + if(p->xml >= p->xmlend) + return -1; + } + while(*(p->xml++) != '=') + { + if(p->xml >= p->xmlend) + return -1; + } + while(IS_WHITE_SPACE(*p->xml)) + { + p->xml++; + if(p->xml >= p->xmlend) + return -1; + } + sep = *p->xml; + if(sep=='\'' || sep=='\"') + { + p->xml++; + if(p->xml >= p->xmlend) + return -1; + attvalue = p->xml; + attvaluelen = 0; + while(*p->xml != sep) + { + attvaluelen++; p->xml++; + if(p->xml >= p->xmlend) + return -1; + } + } + else + { + attvalue = p->xml; + attvaluelen = 0; + while( !IS_WHITE_SPACE(*p->xml) + && *p->xml != '>' && *p->xml != '/') + { + attvaluelen++; p->xml++; + if(p->xml >= p->xmlend) + return -1; + } + } + /*printf("%.*s='%.*s'\n", + attnamelen, attname, attvaluelen, attvalue);*/ + if(p->attfunc) + p->attfunc(p->data, attname, attnamelen, attvalue, attvaluelen); + } + p->xml++; + } + return -1; +} + +/* parseelt parse the xml stream and + * call the callback functions when needed... */ +static void parseelt(struct xmlparser * p) +{ + int i; + const char * elementname; + while(p->xml < (p->xmlend - 1)) + { + if((p->xml + 4) <= p->xmlend && (0 == memcmp(p->xml, "<!--", 4))) + { + p->xml += 3; + /* ignore comments */ + do + { + p->xml++; + if ((p->xml + 3) >= p->xmlend) + return; + } + while(memcmp(p->xml, "-->", 3) != 0); + p->xml += 3; + } + else if((p->xml)[0]=='<' && (p->xml)[1]!='?') + { + i = 0; elementname = ++p->xml; + while( !IS_WHITE_SPACE(*p->xml) + && (*p->xml!='>') && (*p->xml!='/') + ) + { + i++; p->xml++; + if (p->xml >= p->xmlend) + return; + /* to ignore namespace : */ + if(*p->xml==':') + { + i = 0; + elementname = ++p->xml; + } + } + if(i>0) + { + if(p->starteltfunc) + p->starteltfunc(p->data, elementname, i); + if(parseatt(p)) + return; + if(*p->xml!='/') + { + const char * data; + i = 0; data = ++p->xml; + if (p->xml >= p->xmlend) + return; + while( IS_WHITE_SPACE(*p->xml) ) + { + i++; p->xml++; + if (p->xml >= p->xmlend) + return; + } + if(memcmp(p->xml, "<![CDATA[", 9) == 0) + { + /* CDATA handling */ + p->xml += 9; + data = p->xml; + i = 0; + while(memcmp(p->xml, "]]>", 3) != 0) + { + i++; p->xml++; + if ((p->xml + 3) >= p->xmlend) + return; + } + if(i>0 && p->datafunc) + p->datafunc(p->data, data, i); + while(*p->xml!='<') + { + p->xml++; + if (p->xml >= p->xmlend) + return; + } + } + else + { + while(*p->xml!='<') + { + i++; p->xml++; + if ((p->xml + 1) >= p->xmlend) + return; + } + if(i>0 && p->datafunc && *(p->xml + 1) == '/') + p->datafunc(p->data, data, i); + } + } + } + else if(*p->xml == '/') + { + i = 0; elementname = ++p->xml; + if (p->xml >= p->xmlend) + return; + while((*p->xml != '>')) + { + i++; p->xml++; + if (p->xml >= p->xmlend) + return; + } + if(p->endeltfunc) + p->endeltfunc(p->data, elementname, i); + p->xml++; + } + } + else + { + p->xml++; + } + } +} + +/* the parser must be initialized before calling this function */ +void parsexml(struct xmlparser * parser) +{ + parser->xml = parser->xmlstart; + parser->xmlend = parser->xmlstart + parser->xmlsize; + parseelt(parser); +} + + |