From c606f0866c3a2a5db3ef9bc41738ef33eb9612a9 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Sat, 22 Jun 2013 16:16:13 +0200 Subject: Add original TrueCrypt 7.1a sources --- src/Common/Xml.c | 231 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 231 insertions(+) create mode 100644 src/Common/Xml.c (limited to 'src/Common/Xml.c') diff --git a/src/Common/Xml.c b/src/Common/Xml.c new file mode 100644 index 00000000..32b7e9d7 --- /dev/null +++ b/src/Common/Xml.c @@ -0,0 +1,231 @@ +/* + Copyright (c) 2005-2010 TrueCrypt Developers Association. All rights reserved. + + Governed by the TrueCrypt License 3.0 the full text of which is contained in + the file License.txt included in TrueCrypt binary and source code distribution + packages. +*/ + +#include +#include +#include "Xml.h" + + +static BOOL BeginsWith (char *string, char *subString) +{ + while (*string++ == *subString++) + { + if (*subString == 0) return TRUE; + if (*string == 0) return FALSE; + } + + return FALSE; +} + + +char *XmlNextNode (char *xmlNode) +{ + char *t = xmlNode + 1; + while ((t = strchr (t, '<')) != NULL) + { + if (t[1] != '/') + return t; + + t++; + } + + return NULL; +} + + +char *XmlFindElement (char *xmlNode, char *nodeName) +{ + char *t = xmlNode; + size_t nameLen = strlen (nodeName); + + do + { + if (BeginsWith (t + 1, nodeName) + && (t[nameLen + 1] == '>' + || t[nameLen + 1] == ' ')) return t; + + } while (t = XmlNextNode (t)); + + return NULL; +} + + +char *XmlFindElementByAttributeValue (char *xml, char *nodeName, char *attrName, char *attrValue) +{ + char attr[2048]; + + while (xml = XmlFindElement (xml, nodeName)) + { + XmlGetAttributeText (xml, attrName, attr, sizeof (attr)); + if (strcmp (attr, attrValue) == 0) + return xml; + + xml++; + } + + return NULL; +} + + +char *XmlGetAttributeText (char *xmlNode, char *xmlAttrName, char *xmlAttrValue, int xmlAttrValueSize) +{ + char *t = xmlNode; + char *e = xmlNode; + int l = 0; + + xmlAttrValue[0] = 0; + if (t[0] != '<') return NULL; + + e = strchr (e, '>'); + if (e == NULL) return NULL; + + while ((t = strstr (t, xmlAttrName)) && t < e) + { + char *o = t + strlen (xmlAttrName); + if (t[-1] == ' ' + && + (BeginsWith (o, "=\"") + || BeginsWith (o, "= \"") + || BeginsWith (o, " =\"") + || BeginsWith (o, " = \"")) + ) + break; + + t++; + } + + if (t == NULL || t > e) return NULL; + + t = strchr (t, '"') + 1; + e = strchr (t, '"'); + l = (int)(e - t); + if (e == NULL || l > xmlAttrValueSize) return NULL; + + memcpy (xmlAttrValue, t, l); + xmlAttrValue[l] = 0; + + return xmlAttrValue; +} + + +char *XmlGetNodeText (char *xmlNode, char *xmlText, int xmlTextSize) +{ + char *t = xmlNode; + char *e = xmlNode + 1; + int l = 0, i = 0, j = 0; + + xmlText[0] = 0; + + if (t[0] != '<') + return NULL; + + t = strchr (t, '>') + 1; + if (t == (char *)1) return NULL; + + e = strchr (e, '<'); + if (e == NULL) return NULL; + + l = (int)(e - t); + if (e == NULL || l > xmlTextSize) return NULL; + + while (i < l) + { + if (BeginsWith (&t[i], "<")) + { + xmlText[j++] = '<'; + i += 4; + continue; + } + if (BeginsWith (&t[i], ">")) + { + xmlText[j++] = '>'; + i += 4; + continue; + } + if (BeginsWith (&t[i], "&")) + { + xmlText[j++] = '&'; + i += 5; + continue; + } + xmlText[j++] = t[i++]; + } + xmlText[j] = 0; + + return t; +} + + +char *XmlQuoteText (const char *textSrc, char *textDst, int textDstMaxSize) +{ + char *textDstLast = textDst + textDstMaxSize - 1; + + if (textDstMaxSize == 0) + return NULL; + + while (*textSrc != 0 && textDst <= textDstLast) + { + char c = *textSrc++; + switch (c) + { + case '&': + if (textDst + 6 > textDstLast) + return NULL; + strcpy (textDst, "&"); + textDst += 5; + continue; + + case '>': + if (textDst + 5 > textDstLast) + return NULL; + strcpy (textDst, ">"); + textDst += 4; + continue; + + case '<': + if (textDst + 5 > textDstLast) + return NULL; + strcpy (textDst, "<"); + textDst += 4; + continue; + + default: + *textDst++ = c; + } + } + + if (textDst > textDstLast) + return NULL; + + *textDst = 0; + return textDst; +} + + +int XmlWriteHeader (FILE *file) +{ + return fputs ("\n", file); +} + + +int XmlWriteHeaderW (FILE *file) +{ + return fputws (L"\n", file); +} + + +int XmlWriteFooter (FILE *file) +{ + return fputs ("\n", file); +} + + +int XmlWriteFooterW (FILE *file) +{ + return fputws (L"\n", file); +} -- cgit v1.2.3