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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 03:10:21 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 03:10:21 -0500
commitc0b7206652b2852bc574694e7ba07ba1c2acdc00 (patch)
tree5cb95cb0e19e03610525903df46279df2c3b7eb1 /rubbos/app/httpd-2.0.64/srclib/apr-util/xml/apr_xml.c
parentb6d3d6e668b793220f2d3af1bc3e828553dc3fe6 (diff)
delete app
Change-Id: Id4c572809969ebe89e946e88063eaed262cff3f2 Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr-util/xml/apr_xml.c')
-rw-r--r--rubbos/app/httpd-2.0.64/srclib/apr-util/xml/apr_xml.c920
1 files changed, 0 insertions, 920 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr-util/xml/apr_xml.c b/rubbos/app/httpd-2.0.64/srclib/apr-util/xml/apr_xml.c
deleted file mode 100644
index 4337ca31..00000000
--- a/rubbos/app/httpd-2.0.64/srclib/apr-util/xml/apr_xml.c
+++ /dev/null
@@ -1,920 +0,0 @@
-/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
- * applicable.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "apr.h"
-#include "apr_strings.h"
-
-#define APR_WANT_STDIO /* for sprintf() */
-#define APR_WANT_STRFUNC
-#include "apr_want.h"
-
-#include "apr_xml.h"
-
-#include "apu_config.h"
-
-#ifdef APR_HAVE_OLD_EXPAT
-#include "xmlparse.h"
-#else
-#include "expat.h"
-#endif
-
-#define DEBUG_CR "\r\n"
-
-/* errors related to namespace processing */
-#define APR_XML_NS_ERROR_UNKNOWN_PREFIX (-1000)
-#define APR_XML_NS_ERROR_INVALID_DECL (-1001)
-
-/* test for a namespace prefix that begins with [Xx][Mm][Ll] */
-#define APR_XML_NS_IS_RESERVED(name) \
- ( (name[0] == 'X' || name[0] == 'x') && \
- (name[1] == 'M' || name[1] == 'm') && \
- (name[2] == 'L' || name[2] == 'l') )
-
-
-/* the real (internal) definition of the parser context */
-struct apr_xml_parser {
- apr_xml_doc *doc; /* the doc we're parsing */
- apr_pool_t *p; /* the pool we allocate from */
- apr_xml_elem *cur_elem; /* current element */
-
- int error; /* an error has occurred */
-#define APR_XML_ERROR_EXPAT 1
-#define APR_XML_ERROR_PARSE_DONE 2
-/* also: public APR_XML_NS_ERROR_* values (if any) */
-
- XML_Parser xp; /* the actual (Expat) XML parser */
- enum XML_Error xp_err; /* stored Expat error code */
-};
-
-/* struct for scoping namespace declarations */
-typedef struct apr_xml_ns_scope {
- const char *prefix; /* prefix used for this ns */
- int ns; /* index into namespace table */
- int emptyURI; /* the namespace URI is the empty string */
- struct apr_xml_ns_scope *next; /* next scoped namespace */
-} apr_xml_ns_scope;
-
-
-/* return namespace table index for a given prefix */
-static int find_prefix(apr_xml_parser *parser, const char *prefix)
-{
- apr_xml_elem *elem = parser->cur_elem;
-
- /*
- ** Walk up the tree, looking for a namespace scope that defines this
- ** prefix.
- */
- for (; elem; elem = elem->parent) {
- apr_xml_ns_scope *ns_scope = elem->ns_scope;
-
- for (ns_scope = elem->ns_scope; ns_scope; ns_scope = ns_scope->next) {
- if (strcmp(prefix, ns_scope->prefix) == 0) {
- if (ns_scope->emptyURI) {
- /*
- ** It is possible to set the default namespace to an
- ** empty URI string; this resets the default namespace
- ** to mean "no namespace." We just found the prefix
- ** refers to an empty URI, so return "no namespace."
- */
- return APR_XML_NS_NONE;
- }
-
- return ns_scope->ns;
- }
- }
- }
-
- /*
- * If the prefix is empty (""), this means that a prefix was not
- * specified in the element/attribute. The search that was performed
- * just above did not locate a default namespace URI (which is stored
- * into ns_scope with an empty prefix). This means the element/attribute
- * has "no namespace". We have a reserved value for this.
- */
- if (*prefix == '\0') {
- return APR_XML_NS_NONE;
- }
-
- /* not found */
- return APR_XML_NS_ERROR_UNKNOWN_PREFIX;
-}
-
-static void start_handler(void *userdata, const char *name, const char **attrs)
-{
- apr_xml_parser *parser = userdata;
- apr_xml_elem *elem;
- apr_xml_attr *attr;
- apr_xml_attr *prev;
- char *colon;
- const char *quoted;
- char *elem_name;
-
- /* punt once we find an error */
- if (parser->error)
- return;
-
- elem = apr_pcalloc(parser->p, sizeof(*elem));
-
- /* prep the element */
- elem->name = elem_name = apr_pstrdup(parser->p, name);
-
- /* fill in the attributes (note: ends up in reverse order) */
- while (*attrs) {
- attr = apr_palloc(parser->p, sizeof(*attr));
- attr->name = apr_pstrdup(parser->p, *attrs++);
- attr->value = apr_pstrdup(parser->p, *attrs++);
- attr->next = elem->attr;
- elem->attr = attr;
- }
-
- /* hook the element into the tree */
- if (parser->cur_elem == NULL) {
- /* no current element; this also becomes the root */
- parser->cur_elem = parser->doc->root = elem;
- }
- else {
- /* this element appeared within the current elem */
- elem->parent = parser->cur_elem;
-
- /* set up the child/sibling links */
- if (elem->parent->last_child == NULL) {
- /* no first child either */
- elem->parent->first_child = elem->parent->last_child = elem;
- }
- else {
- /* hook onto the end of the parent's children */
- elem->parent->last_child->next = elem;
- elem->parent->last_child = elem;
- }
-
- /* this element is now the current element */
- parser->cur_elem = elem;
- }
-
- /* scan the attributes for namespace declarations */
- for (prev = NULL, attr = elem->attr;
- attr;
- attr = attr->next) {
- if (strncmp(attr->name, "xmlns", 5) == 0) {
- const char *prefix = &attr->name[5];
- apr_xml_ns_scope *ns_scope;
-
- /* test for xmlns:foo= form and xmlns= form */
- if (*prefix == ':') {
- /* a namespace prefix declaration must have a
- non-empty value. */
- if (attr->value[0] == '\0') {
- parser->error = APR_XML_NS_ERROR_INVALID_DECL;
- return;
- }
- ++prefix;
- }
- else if (*prefix != '\0') {
- /* advance "prev" since "attr" is still present */
- prev = attr;
- continue;
- }
-
- /* quote the URI before we ever start working with it */
- quoted = apr_xml_quote_string(parser->p, attr->value, 1);
-
- /* build and insert the new scope */
- ns_scope = apr_pcalloc(parser->p, sizeof(*ns_scope));
- ns_scope->prefix = prefix;
- ns_scope->ns = apr_xml_insert_uri(parser->doc->namespaces, quoted);
- ns_scope->emptyURI = *quoted == '\0';
- ns_scope->next = elem->ns_scope;
- elem->ns_scope = ns_scope;
-
- /* remove this attribute from the element */
- if (prev == NULL)
- elem->attr = attr->next;
- else
- prev->next = attr->next;
-
- /* Note: prev will not be advanced since we just removed "attr" */
- }
- else if (strcmp(attr->name, "xml:lang") == 0) {
- /* save away the language (in quoted form) */
- elem->lang = apr_xml_quote_string(parser->p, attr->value, 1);
-
- /* remove this attribute from the element */
- if (prev == NULL)
- elem->attr = attr->next;
- else
- prev->next = attr->next;
-
- /* Note: prev will not be advanced since we just removed "attr" */
- }
- else {
- /* advance "prev" since "attr" is still present */
- prev = attr;
- }
- }
-
- /*
- ** If an xml:lang attribute didn't exist (lang==NULL), then copy the
- ** language from the parent element (if present).
- **
- ** NOTE: elem_size() *depends* upon this pointer equality.
- */
- if (elem->lang == NULL && elem->parent != NULL)
- elem->lang = elem->parent->lang;
-
- /* adjust the element's namespace */
- colon = strchr(elem_name, ':');
- if (colon == NULL) {
- /*
- * The element is using the default namespace, which will always
- * be found. Either it will be "no namespace", or a default
- * namespace URI has been specified at some point.
- */
- elem->ns = find_prefix(parser, "");
- }
- else if (APR_XML_NS_IS_RESERVED(elem->name)) {
- elem->ns = APR_XML_NS_NONE;
- }
- else {
- *colon = '\0';
- elem->ns = find_prefix(parser, elem->name);
- elem->name = colon + 1;
-
- if (APR_XML_NS_IS_ERROR(elem->ns)) {
- parser->error = elem->ns;
- return;
- }
- }
-
- /* adjust all remaining attributes' namespaces */
- for (attr = elem->attr; attr; attr = attr->next) {
- /*
- * apr_xml_attr defines this as "const" but we dup'd it, so we
- * know that we can change it. a bit hacky, but the existing
- * structure def is best.
- */
- char *attr_name = (char *)attr->name;
-
- colon = strchr(attr_name, ':');
- if (colon == NULL) {
- /*
- * Attributes do NOT use the default namespace. Therefore,
- * we place them into the "no namespace" category.
- */
- attr->ns = APR_XML_NS_NONE;
- }
- else if (APR_XML_NS_IS_RESERVED(attr->name)) {
- attr->ns = APR_XML_NS_NONE;
- }
- else {
- *colon = '\0';
- attr->ns = find_prefix(parser, attr->name);
- attr->name = colon + 1;
-
- if (APR_XML_NS_IS_ERROR(attr->ns)) {
- parser->error = attr->ns;
- return;
- }
- }
- }
-}
-
-static void end_handler(void *userdata, const char *name)
-{
- apr_xml_parser *parser = userdata;
-
- /* punt once we find an error */
- if (parser->error)
- return;
-
- /* pop up one level */
- parser->cur_elem = parser->cur_elem->parent;
-}
-
-static void cdata_handler(void *userdata, const char *data, int len)
-{
- apr_xml_parser *parser = userdata;
- apr_xml_elem *elem;
- apr_text_header *hdr;
- const char *s;
-
- /* punt once we find an error */
- if (parser->error)
- return;
-
- elem = parser->cur_elem;
- s = apr_pstrndup(parser->p, data, len);
-
- if (elem->last_child == NULL) {
- /* no children yet. this cdata follows the start tag */
- hdr = &elem->first_cdata;
- }
- else {
- /* child elements exist. this cdata follows the last child. */
- hdr = &elem->last_child->following_cdata;
- }
-
- apr_text_append(parser->p, hdr, s);
-}
-
-static apr_status_t cleanup_parser(void *ctx)
-{
- apr_xml_parser *parser = ctx;
-
- XML_ParserFree(parser->xp);
- parser->xp = NULL;
-
- return APR_SUCCESS;
-}
-
-#if XML_MAJOR_VERSION > 1
-/* Stop the parser if an entity declaration is hit. */
-static void entity_declaration(void *userData, const XML_Char *entityName,
- int is_parameter_entity, const XML_Char *value,
- int value_length, const XML_Char *base,
- const XML_Char *systemId, const XML_Char *publicId,
- const XML_Char *notationName)
-{
- apr_xml_parser *parser = userData;
-
- XML_StopParser(parser->xp, XML_FALSE);
-}
-#else
-/* A noop default_handler. */
-static void default_handler(void *userData, const XML_Char *s, int len)
-{
-}
-#endif
-
-APU_DECLARE(apr_xml_parser *) apr_xml_parser_create(apr_pool_t *pool)
-{
- apr_xml_parser *parser = apr_pcalloc(pool, sizeof(*parser));
-
- parser->p = pool;
- parser->doc = apr_pcalloc(pool, sizeof(*parser->doc));
-
- parser->doc->namespaces = apr_array_make(pool, 5, sizeof(const char *));
-
- /* ### is there a way to avoid hard-coding this? */
- apr_xml_insert_uri(parser->doc->namespaces, "DAV:");
-
- parser->xp = XML_ParserCreate(NULL);
- if (parser->xp == NULL) {
- (*apr_pool_get_abort(pool))(APR_ENOMEM);
- return NULL;
- }
-
- apr_pool_cleanup_register(pool, parser, cleanup_parser,
- apr_pool_cleanup_null);
-
- XML_SetUserData(parser->xp, parser);
- XML_SetElementHandler(parser->xp, start_handler, end_handler);
- XML_SetCharacterDataHandler(parser->xp, cdata_handler);
-
- /* Prevent the "billion laughs" attack against expat by disabling
- * internal entity expansion. With 2.x, forcibly stop the parser
- * if an entity is declared - this is safer and a more obvious
- * failure mode. With older versions, installing a noop
- * DefaultHandler means that internal entities will be expanded as
- * the empty string, which is also sufficient to prevent the
- * attack. */
-#if XML_MAJOR_VERSION > 1
- XML_SetEntityDeclHandler(parser->xp, entity_declaration);
-#else
- XML_SetDefaultHandler(parser->xp, default_handler);
-#endif
-
- return parser;
-}
-
-static apr_status_t do_parse(apr_xml_parser *parser,
- const char *data, apr_size_t len,
- int is_final)
-{
- if (parser->xp == NULL) {
- parser->error = APR_XML_ERROR_PARSE_DONE;
- }
- else {
- int rv = XML_Parse(parser->xp, data, len, is_final);
-
- if (rv == 0) {
- parser->error = APR_XML_ERROR_EXPAT;
- parser->xp_err = XML_GetErrorCode(parser->xp);
- }
- }
-
- /* ### better error code? */
- return parser->error ? APR_EGENERAL : APR_SUCCESS;
-}
-
-APU_DECLARE(apr_status_t) apr_xml_parser_feed(apr_xml_parser *parser,
- const char *data,
- apr_size_t len)
-{
- return do_parse(parser, data, len, 0 /* is_final */);
-}
-
-APU_DECLARE(apr_status_t) apr_xml_parser_done(apr_xml_parser *parser,
- apr_xml_doc **pdoc)
-{
- char end;
- apr_status_t status = do_parse(parser, &end, 0, 1 /* is_final */);
-
- /* get rid of the parser */
- (void) apr_pool_cleanup_run(parser->p, parser, cleanup_parser);
-
- if (status)
- return status;
-
- if (pdoc != NULL)
- *pdoc = parser->doc;
- return APR_SUCCESS;
-}
-
-APU_DECLARE(char *) apr_xml_parser_geterror(apr_xml_parser *parser,
- char *errbuf,
- apr_size_t errbufsize)
-{
- int error = parser->error;
- const char *msg;
-
- /* clear our record of an error */
- parser->error = 0;
-
- switch (error) {
- case 0:
- msg = "No error.";
- break;
-
- case APR_XML_NS_ERROR_UNKNOWN_PREFIX:
- msg = "An undefined namespace prefix was used.";
- break;
-
- case APR_XML_NS_ERROR_INVALID_DECL:
- msg = "A namespace prefix was defined with an empty URI.";
- break;
-
- case APR_XML_ERROR_EXPAT:
- (void) apr_snprintf(errbuf, errbufsize,
- "XML parser error code: %s (%d)",
- XML_ErrorString(parser->xp_err), parser->xp_err);
- return errbuf;
-
- case APR_XML_ERROR_PARSE_DONE:
- msg = "The parser is not active.";
- break;
-
- default:
- msg = "There was an unknown error within the XML body.";
- break;
- }
-
- (void) apr_cpystrn(errbuf, msg, errbufsize);
- return errbuf;
-}
-
-APU_DECLARE(apr_status_t) apr_xml_parse_file(apr_pool_t *p,
- apr_xml_parser **parser,
- apr_xml_doc **ppdoc,
- apr_file_t *xmlfd,
- apr_size_t buffer_length)
-{
- apr_status_t rv;
- char *buffer;
- apr_size_t length;
-
- *parser = apr_xml_parser_create(p);
- if (*parser == NULL) {
- /* FIXME: returning an error code would be nice,
- * but we dont get one ;( */
- return APR_EGENERAL;
- }
- buffer = apr_palloc(p, buffer_length);
- length = buffer_length;
-
- rv = apr_file_read(xmlfd, buffer, &length);
-
- while (rv == APR_SUCCESS) {
- rv = apr_xml_parser_feed(*parser, buffer, length);
- if (rv != APR_SUCCESS) {
- return rv;
- }
-
- length = buffer_length;
- rv = apr_file_read(xmlfd, buffer, &length);
- }
- if (rv != APR_EOF) {
- return rv;
- }
- rv = apr_xml_parser_done(*parser, ppdoc);
- *parser = NULL;
- return rv;
-}
-
-APU_DECLARE(void) apr_text_append(apr_pool_t * p, apr_text_header *hdr,
- const char *text)
-{
- apr_text *t = apr_palloc(p, sizeof(*t));
-
- t->text = text;
- t->next = NULL;
-
- if (hdr->first == NULL) {
- /* no text elements yet */
- hdr->first = hdr->last = t;
- }
- else {
- /* append to the last text element */
- hdr->last->next = t;
- hdr->last = t;
- }
-}
-
-
-/* ---------------------------------------------------------------
-**
-** XML UTILITY FUNCTIONS
-*/
-
-/*
-** apr_xml_quote_string: quote an XML string
-**
-** Replace '<', '>', and '&' with '&lt;', '&gt;', and '&amp;'.
-** If quotes is true, then replace '"' with '&quot;'.
-**
-** quotes is typically set to true for XML strings that will occur within
-** double quotes -- attribute values.
-*/
-APU_DECLARE(const char *) apr_xml_quote_string(apr_pool_t *p, const char *s,
- int quotes)
-{
- const char *scan;
- apr_size_t len = 0;
- apr_size_t extra = 0;
- char *qstr;
- char *qscan;
- char c;
-
- for (scan = s; (c = *scan) != '\0'; ++scan, ++len) {
- if (c == '<' || c == '>')
- extra += 3; /* &lt; or &gt; */
- else if (c == '&')
- extra += 4; /* &amp; */
- else if (quotes && c == '"')
- extra += 5; /* &quot; */
- }
-
- /* nothing to do? */
- if (extra == 0)
- return s;
-
- qstr = apr_palloc(p, len + extra + 1);
- for (scan = s, qscan = qstr; (c = *scan) != '\0'; ++scan) {
- if (c == '<') {
- *qscan++ = '&';
- *qscan++ = 'l';
- *qscan++ = 't';
- *qscan++ = ';';
- }
- else if (c == '>') {
- *qscan++ = '&';
- *qscan++ = 'g';
- *qscan++ = 't';
- *qscan++ = ';';
- }
- else if (c == '&') {
- *qscan++ = '&';
- *qscan++ = 'a';
- *qscan++ = 'm';
- *qscan++ = 'p';
- *qscan++ = ';';
- }
- else if (quotes && c == '"') {
- *qscan++ = '&';
- *qscan++ = 'q';
- *qscan++ = 'u';
- *qscan++ = 'o';
- *qscan++ = 't';
- *qscan++ = ';';
- }
- else {
- *qscan++ = c;
- }
- }
-
- *qscan = '\0';
- return qstr;
-}
-
-/* how many characters for the given integer? */
-#define APR_XML_NS_LEN(ns) ((ns) < 10 ? 1 : (ns) < 100 ? 2 : (ns) < 1000 ? 3 : \
- (ns) < 10000 ? 4 : (ns) < 100000 ? 5 : \
- (ns) < 1000000 ? 6 : (ns) < 10000000 ? 7 : \
- (ns) < 100000000 ? 8 : (ns) < 1000000000 ? 9 : 10)
-
-static apr_size_t text_size(const apr_text *t)
-{
- apr_size_t size = 0;
-
- for (; t; t = t->next)
- size += strlen(t->text);
- return size;
-}
-
-static apr_size_t elem_size(const apr_xml_elem *elem, int style,
- apr_array_header_t *namespaces, int *ns_map)
-{
- apr_size_t size;
-
- if (style == APR_XML_X2T_FULL || style == APR_XML_X2T_FULL_NS_LANG) {
- const apr_xml_attr *attr;
-
- size = 0;
-
- if (style == APR_XML_X2T_FULL_NS_LANG) {
- int i;
-
- /*
- ** The outer element will contain xmlns:ns%d="%s" attributes
- ** and an xml:lang attribute, if applicable.
- */
-
- for (i = namespaces->nelts; i--;) {
- /* compute size of: ' xmlns:ns%d="%s"' */
- size += (9 + APR_XML_NS_LEN(i) + 2 +
- strlen(APR_XML_GET_URI_ITEM(namespaces, i)) + 1);
- }
-
- if (elem->lang != NULL) {
- /* compute size of: ' xml:lang="%s"' */
- size += 11 + strlen(elem->lang) + 1;
- }
- }
-
- if (elem->ns == APR_XML_NS_NONE) {
- /* compute size of: <%s> */
- size += 1 + strlen(elem->name) + 1;
- }
- else {
- int ns = ns_map ? ns_map[elem->ns] : elem->ns;
-
- /* compute size of: <ns%d:%s> */
- size += 3 + APR_XML_NS_LEN(ns) + 1 + strlen(elem->name) + 1;
- }
-
- if (APR_XML_ELEM_IS_EMPTY(elem)) {
- /* insert a closing "/" */
- size += 1;
- }
- else {
- /*
- * two of above plus "/":
- * <ns%d:%s> ... </ns%d:%s>
- * OR <%s> ... </%s>
- */
- size = 2 * size + 1;
- }
-
- for (attr = elem->attr; attr; attr = attr->next) {
- if (attr->ns == APR_XML_NS_NONE) {
- /* compute size of: ' %s="%s"' */
- size += 1 + strlen(attr->name) + 2 + strlen(attr->value) + 1;
- }
- else {
- /* compute size of: ' ns%d:%s="%s"' */
- int ns = ns_map ? ns_map[attr->ns] : attr->ns;
- size += 3 + APR_XML_NS_LEN(ns) + 1 + strlen(attr->name) + 2 + strlen(attr->value) + 1;
- }
- }
-
- /*
- ** If the element has an xml:lang value that is *different* from
- ** its parent, then add the thing in: ' xml:lang="%s"'.
- **
- ** NOTE: we take advantage of the pointer equality established by
- ** the parsing for "inheriting" the xml:lang values from parents.
- */
- if (elem->lang != NULL &&
- (elem->parent == NULL || elem->lang != elem->parent->lang)) {
- size += 11 + strlen(elem->lang) + 1;
- }
- }
- else if (style == APR_XML_X2T_LANG_INNER) {
- /*
- * This style prepends the xml:lang value plus a null terminator.
- * If a lang value is not present, then we insert a null term.
- */
- size = elem->lang ? strlen(elem->lang) + 1 : 1;
- }
- else
- size = 0;
-
- size += text_size(elem->first_cdata.first);
-
- for (elem = elem->first_child; elem; elem = elem->next) {
- /* the size of the child element plus the CDATA that follows it */
- size += (elem_size(elem, APR_XML_X2T_FULL, NULL, ns_map) +
- text_size(elem->following_cdata.first));
- }
-
- return size;
-}
-
-static char *write_text(char *s, const apr_text *t)
-{
- for (; t; t = t->next) {
- apr_size_t len = strlen(t->text);
- memcpy(s, t->text, len);
- s += len;
- }
- return s;
-}
-
-static char *write_elem(char *s, const apr_xml_elem *elem, int style,
- apr_array_header_t *namespaces, int *ns_map)
-{
- const apr_xml_elem *child;
- apr_size_t len;
- int ns;
-
- if (style == APR_XML_X2T_FULL || style == APR_XML_X2T_FULL_NS_LANG) {
- int empty = APR_XML_ELEM_IS_EMPTY(elem);
- const apr_xml_attr *attr;
-
- if (elem->ns == APR_XML_NS_NONE) {
- len = sprintf(s, "<%s", elem->name);
- }
- else {
- ns = ns_map ? ns_map[elem->ns] : elem->ns;
- len = sprintf(s, "<ns%d:%s", ns, elem->name);
- }
- s += len;
-
- for (attr = elem->attr; attr; attr = attr->next) {
- if (attr->ns == APR_XML_NS_NONE)
- len = sprintf(s, " %s=\"%s\"", attr->name, attr->value);
- else {
- ns = ns_map ? ns_map[attr->ns] : attr->ns;
- len = sprintf(s, " ns%d:%s=\"%s\"", ns, attr->name, attr->value);
- }
- s += len;
- }
-
- /* add the xml:lang value if necessary */
- if (elem->lang != NULL &&
- (style == APR_XML_X2T_FULL_NS_LANG ||
- elem->parent == NULL ||
- elem->lang != elem->parent->lang)) {
- len = sprintf(s, " xml:lang=\"%s\"", elem->lang);
- s += len;
- }
-
- /* add namespace definitions, if required */
- if (style == APR_XML_X2T_FULL_NS_LANG) {
- int i;
-
- for (i = namespaces->nelts; i--;) {
- len = sprintf(s, " xmlns:ns%d=\"%s\"", i,
- APR_XML_GET_URI_ITEM(namespaces, i));
- s += len;
- }
- }
-
- /* no more to do. close it up and go. */
- if (empty) {
- *s++ = '/';
- *s++ = '>';
- return s;
- }
-
- /* just close it */
- *s++ = '>';
- }
- else if (style == APR_XML_X2T_LANG_INNER) {
- /* prepend the xml:lang value */
- if (elem->lang != NULL) {
- len = strlen(elem->lang);
- memcpy(s, elem->lang, len);
- s += len;
- }
- *s++ = '\0';
- }
-
- s = write_text(s, elem->first_cdata.first);
-
- for (child = elem->first_child; child; child = child->next) {
- s = write_elem(s, child, APR_XML_X2T_FULL, NULL, ns_map);
- s = write_text(s, child->following_cdata.first);
- }
-
- if (style == APR_XML_X2T_FULL || style == APR_XML_X2T_FULL_NS_LANG) {
- if (elem->ns == APR_XML_NS_NONE) {
- len = sprintf(s, "</%s>", elem->name);
- }
- else {
- ns = ns_map ? ns_map[elem->ns] : elem->ns;
- len = sprintf(s, "</ns%d:%s>", ns, elem->name);
- }
- s += len;
- }
-
- return s;
-}
-
-APU_DECLARE(void) apr_xml_quote_elem(apr_pool_t *p, apr_xml_elem *elem)
-{
- apr_text *scan_txt;
- apr_xml_attr *scan_attr;
- apr_xml_elem *scan_elem;
-
- /* convert the element's text */
- for (scan_txt = elem->first_cdata.first;
- scan_txt != NULL;
- scan_txt = scan_txt->next) {
- scan_txt->text = apr_xml_quote_string(p, scan_txt->text, 0);
- }
- for (scan_txt = elem->following_cdata.first;
- scan_txt != NULL;
- scan_txt = scan_txt->next) {
- scan_txt->text = apr_xml_quote_string(p, scan_txt->text, 0);
- }
-
- /* convert the attribute values */
- for (scan_attr = elem->attr;
- scan_attr != NULL;
- scan_attr = scan_attr->next) {
- scan_attr->value = apr_xml_quote_string(p, scan_attr->value, 1);
- }
-
- /* convert the child elements */
- for (scan_elem = elem->first_child;
- scan_elem != NULL;
- scan_elem = scan_elem->next) {
- apr_xml_quote_elem(p, scan_elem);
- }
-}
-
-/* convert an element to a text string */
-APU_DECLARE(void) apr_xml_to_text(apr_pool_t * p, const apr_xml_elem *elem,
- int style, apr_array_header_t *namespaces,
- int *ns_map, const char **pbuf,
- apr_size_t *psize)
-{
- /* get the exact size, plus a null terminator */
- apr_size_t size = elem_size(elem, style, namespaces, ns_map) + 1;
- char *s = apr_palloc(p, size);
-
- (void) write_elem(s, elem, style, namespaces, ns_map);
- s[size - 1] = '\0';
-
- *pbuf = s;
- if (psize)
- *psize = size;
-}
-
-APU_DECLARE(const char *) apr_xml_empty_elem(apr_pool_t * p,
- const apr_xml_elem *elem)
-{
- if (elem->ns == APR_XML_NS_NONE) {
- /*
- * The prefix (xml...) is already within the prop name, or
- * the element simply has no prefix.
- */
- return apr_psprintf(p, "<%s/>" DEBUG_CR, elem->name);
- }
-
- return apr_psprintf(p, "<ns%d:%s/>" DEBUG_CR, elem->ns, elem->name);
-}
-
-/* return the URI's (existing) index, or insert it and return a new index */
-APU_DECLARE(int) apr_xml_insert_uri(apr_array_header_t *uri_array,
- const char *uri)
-{
- int i;
- const char **pelt;
-
- /* never insert an empty URI; this index is always APR_XML_NS_NONE */
- if (*uri == '\0')
- return APR_XML_NS_NONE;
-
- for (i = uri_array->nelts; i--;) {
- if (strcmp(uri, APR_XML_GET_URI_ITEM(uri_array, i)) == 0)
- return i;
- }
-
- pelt = apr_array_push(uri_array);
- *pelt = uri; /* assume uri is const or in a pool */
- return uri_array->nelts - 1;
-}