do not depend on the C locale and ctype functions - xmlparser - XML parser
(HTM) git clone git://git.codemadness.org/xmlparser
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---
(DIR) commit 65afce3d7bd49760896232df25ad637494b9873b
(DIR) parent 2a32dccb8b6784d6d5821daaa42e5422208274c7
(HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Tue, 29 Mar 2022 10:57:38 +0200
do not depend on the C locale and ctype functions
These are not strictly defined to be ASCII compatible or have the same
assumptions of the XML specification.
Diffstat:
M xml.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
---
(DIR) diff --git a/xml.c b/xml.c
@@ -1,4 +1,3 @@
-#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
@@ -6,6 +5,9 @@
#include "xml.h"
+#define ISALPHA(c) ((((unsigned)c) | 32) - 'a' < 26)
+#define ISSPACE(c) ((c) == ' ' || ((((unsigned)c) - '\t') < 5))
+
static void
xml_parseattrs(XMLParser *x)
{
@@ -13,7 +15,7 @@ xml_parseattrs(XMLParser *x)
int c, endsep, endname = 0, valuestart = 0;
while ((c = GETNEXT()) != EOF) {
- if (isspace(c)) {
+ if (ISSPACE(c)) {
if (namelen)
endname = 1;
continue;
@@ -23,7 +25,7 @@ xml_parseattrs(XMLParser *x)
x->name[namelen] = '\0';
valuestart = 1;
endname = 1;
- } else if (namelen && ((endname && !valuestart && isalpha(c)) || (c == '>' || c == '/'))) {
+ } else if (namelen && ((endname && !valuestart && ISALPHA(c)) || (c == '>' || c == '/'))) {
/* attribute without value */
x->name[namelen] = '\0';
if (x->xmlattrstart)
@@ -44,7 +46,7 @@ xml_parseattrs(XMLParser *x)
if (c == '\'' || c == '"') {
endsep = c;
} else {
- endsep = ' '; /* isspace() */
+ endsep = ' '; /* ISSPACE() */
goto startvalue;
}
@@ -58,7 +60,7 @@ startvalue:
x->data[0] = c;
valuelen = 1;
while ((c = GETNEXT()) != EOF) {
- if (c == endsep || (endsep == ' ' && (c == '>' || isspace(c))))
+ if (c == endsep || (endsep == ' ' && (c == '>' || ISSPACE(c))))
break;
if (valuelen < sizeof(x->data) - 1)
x->data[valuelen++] = c;
@@ -79,7 +81,7 @@ startvalue:
break;
}
}
- } else if (c != endsep && !(endsep == ' ' && (c == '>' || isspace(c)))) {
+ } else if (c != endsep && !(endsep == ' ' && (c == '>' || ISSPACE(c)))) {
if (valuelen < sizeof(x->data) - 1) {
x->data[valuelen++] = c;
} else {
@@ -90,7 +92,7 @@ startvalue:
valuelen = 1;
}
}
- if (c == endsep || (endsep == ' ' && (c == '>' || isspace(c)))) {
+ if (c == endsep || (endsep == ' ' && (c == '>' || ISSPACE(c)))) {
x->data[valuelen] = '\0';
if (x->xmlattr)
x->xmlattr(x, x->tag, x->taglen, x->name, namelen, x->data, valuelen);
@@ -363,7 +365,7 @@ xml_parse(XMLParser *x)
while ((c = GETNEXT()) != EOF) {
if (c == '/')
x->isshorttag = 1; /* short tag */
- else if (c == '>' || isspace(c)) {
+ else if (c == '>' || ISSPACE(c)) {
x->tag[x->taglen] = '\0';
if (isend) { /* end tag, starts with </ */
if (x->xmltagend)
@@ -374,7 +376,7 @@ xml_parse(XMLParser *x)
/* start tag */
if (x->xmltagstart)
x->xmltagstart(x, x->tag, x->taglen);
- if (isspace(c))
+ if (ISSPACE(c))
xml_parseattrs(x);
if (x->xmltagstartparsed)
x->xmltagstartparsed(x, x->tag, x->taglen, x->isshorttag);