1 /* $XConsortium: ExternalId.C /main/1 1996/07/29 16:51:51 cde-hp $ */
2 // Copyright (c) 1994 James Clark
3 // See the file COPYING for copying permission.
9 #include "ExternalId.h"
10 #include "CharsetInfo.h"
12 #include "ParserMessages.h"
15 namespace SP_NAMESPACE {
18 ExternalId::ExternalId()
19 : haveSystem_(0), havePublic_(0)
23 void ExternalId::setSystem(Text &text)
29 Boolean ExternalId::setPublic(Text &text, const CharsetInfo &charset,
30 Char space, const MessageType1 *&error)
33 return public_.init(text, charset, space, error);
36 void ExternalId::setLocation(const Location &loc)
46 Boolean PublicId::init(Text &text, const CharsetInfo &charset,
47 Char space, const MessageType1 *&error)
50 const StringC &str = text_.string();
52 const Char *next = str.data();
53 const Char *lim = str.data() + str.size();
54 Char solidus = charset.execToDesc('/');
55 Char minus = charset.execToDesc('-');
56 Char plus = charset.execToDesc('+');
57 const Char *fieldStart;
59 if (!nextField(solidus, next, lim, fieldStart, fieldLength)) {
60 error = &ParserMessages::fpiMissingField;
63 if (fieldLength == 1 && (*fieldStart == minus || *fieldStart == plus)) {
64 ownerType_ = (*fieldStart == plus ? registered : unregistered);
65 if (!nextField(solidus, next, lim, fieldStart, fieldLength)) {
66 error = &ParserMessages::fpiMissingField;
72 owner_.assign(fieldStart, fieldLength);
73 if (!nextField(solidus, next, lim, fieldStart, fieldLength)) {
74 error = &ParserMessages::fpiMissingField;
78 for (i = 0; i < fieldLength; i++)
79 if (fieldStart[i] == space)
81 if (i >= fieldLength) {
82 error = &ParserMessages::fpiMissingTextClassSpace;
85 StringC textClassString(fieldStart, i);
86 if (!lookupTextClass(textClassString, charset, textClass_)) {
87 error = &ParserMessages::fpiInvalidTextClass;
90 i++; // skip the space
93 if (fieldLength == 1 && *fieldStart == minus) {
95 if (!nextField(solidus, next, lim, fieldStart, fieldLength)) {
96 error = &ParserMessages::fpiMissingField;
102 description_.assign(fieldStart, fieldLength);
103 if (!nextField(solidus, next, lim, fieldStart, fieldLength)) {
104 error = &ParserMessages::fpiMissingField;
107 if (textClass_ != CHARSET) {
108 for (i = 0; i < fieldLength; i++) {
110 if (!charset.descToUniv(fieldStart[i], c)
111 || c < UnivCharsetDesc::A || c >= UnivCharsetDesc::A + 26) {
112 error = &ParserMessages::fpiInvalidLanguage;
116 // The public text language must be a name.
117 // Names cannot be empty.
118 if (fieldLength == 0) {
119 error = &ParserMessages::fpiInvalidLanguage;
123 languageOrDesignatingSequence_.assign(fieldStart, fieldLength);
124 if (nextField(solidus, next, lim, fieldStart, fieldLength)) {
125 switch (textClass_) {
130 error = &ParserMessages::fpiIllegalDisplayVersion;
135 haveDisplayVersion_ = 1;
136 displayVersion_.assign(fieldStart, fieldLength);
139 haveDisplayVersion_ = 0;
141 error = &ParserMessages::fpiExtraField;
148 Boolean PublicId::nextField(Char solidus,
151 const Char *&fieldStart,
158 for (; next < lim; next++) {
159 if (next[0] == solidus && next + 1 < lim && next[1] == solidus) {
160 fieldLength = next - fieldStart;
165 fieldLength = lim - fieldStart;
170 const char *const PublicId::textClasses[] = {
186 Boolean PublicId::lookupTextClass(const StringC &str,
187 const CharsetInfo &charset,
188 TextClass &textClass)
190 for (size_t i = 0; i < SIZEOF(textClasses); i++)
191 if (str == charset.execToDesc(textClasses[i])) {
192 textClass = TextClass(i);
198 Boolean PublicId::getOwnerType(OwnerType &result) const
206 Boolean PublicId::getOwner(StringC &result) const
214 Boolean PublicId::getTextClass(TextClass &result) const
222 Boolean PublicId::getUnavailable(Boolean &result) const
226 result = unavailable_;
230 Boolean PublicId::getDescription(StringC &result) const
234 result = description_;
238 Boolean PublicId::getLanguage(StringC &result) const
240 if (!formal_ || textClass_ == CHARSET)
242 result = languageOrDesignatingSequence_;
246 Boolean PublicId::getDesignatingSequence(StringC &result) const
248 if (!formal_ || textClass_ != CHARSET)
250 result = languageOrDesignatingSequence_;
254 Boolean PublicId::getDisplayVersion(StringC &result) const
258 if (haveDisplayVersion_)
259 result = displayVersion_;