#include "mathed/InsetMathGrid.h"
#include "mathed/InsetMathHull.h"
#include "mathed/MathStream.h"
+#include "mathed/MathSupport.h"
#include "support/convert.h"
#include "support/debug.h"
typedef vector<pair<string, string> > Escapes;
/// A map of symbols and their escaped equivalent needed within a regex.
+/// @note Beware of order
Escapes const & get_regexp_escapes()
{
static Escapes escape_map;
if (escape_map.empty()) {
- escape_map.push_back(pair<string, string>("\\", "\\\\"));
- escape_map.push_back(pair<string, string>("^", "\\^"));
escape_map.push_back(pair<string, string>("$", "\\$"));
escape_map.push_back(pair<string, string>("{", "\\{"));
escape_map.push_back(pair<string, string>("}", "\\}"));
escape_map.push_back(pair<string, string>("+", "\\+"));
escape_map.push_back(pair<string, string>("*", "\\*"));
escape_map.push_back(pair<string, string>(".", "\\."));
+ escape_map.push_back(pair<string, string>("\\", "(?:\\\\|\\\\backslash)"));
+ escape_map.push_back(pair<string, string>("~", "(?:\\\\textasciitilde|\\\\sim)"));
+ escape_map.push_back(pair<string, string>("^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex"));
}
return escape_map;
}
Escapes const & get_lyx_unescapes() {
static Escapes escape_map;
if (escape_map.empty()) {
- escape_map.push_back(pair<string, string>("{*}", "*"));
- escape_map.push_back(pair<string, string>("{[}", "["));
- escape_map.push_back(pair<string, string>("\\$", "$"));
- escape_map.push_back(pair<string, string>("\\backslash{}", "\\"));
+ escape_map.push_back(pair<string, string>("\\%", "%"));
+ escape_map.push_back(pair<string, string>("\\{", "{"));
+ escape_map.push_back(pair<string, string>("\\}", "}"));
+ escape_map.push_back(pair<string, string>("\\mathcircumflex ", "^"));
+ escape_map.push_back(pair<string, string>("\\mathcircumflex", "^"));
+ escape_map.push_back(pair<string, string>("\\backslash ", "\\"));
escape_map.push_back(pair<string, string>("\\backslash", "\\"));
escape_map.push_back(pair<string, string>("\\sim ", "~"));
- escape_map.push_back(pair<string, string>("\\^", "^"));
+ escape_map.push_back(pair<string, string>("\\sim", "~"));
+ }
+ return escape_map;
+}
+
+/// A map of escapes turning a regexp matching text to one matching latex.
+Escapes const & get_regexp_latex_escapes() {
+ static Escapes escape_map;
+ if (escape_map.empty()) {
+ escape_map.push_back(pair<string, string>("\\\\", "(?:\\\\\\\\|\\\\backslash|\\\\textbackslash\\{\\})"));
+ escape_map.push_back(pair<string, string>("(<?!\\\\\\\\textbackslash)\\{", "\\\\\\{"));
+ escape_map.push_back(pair<string, string>("(<?!\\\\\\\\textbackslash\\\\\\{)\\}", "\\\\\\}"));
+ escape_map.push_back(pair<string, string>("\\[", "\\{\\[\\}"));
+ escape_map.push_back(pair<string, string>("\\]", "\\{\\]\\}"));
+ escape_map.push_back(pair<string, string>("\\^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
+ escape_map.push_back(pair<string, string>("%", "\\\\\\%"));
}
return escape_map;
}
unsigned int pos = 0;
while (pos < s.length() && (pos = s.find(it->first, pos)) < s.length()) {
s.replace(pos, it->first.length(), it->second);
-// LYXERR(Debug::FIND, "After escape: " << s);
+ LYXERR(Debug::FIND, "After escape: " << s);
pos += it->second.length();
// LYXERR(Debug::FIND, "pos: " << pos);
}
/** Return the position of the closing brace matching the open one at s[pos],
** or s.size() if not found.
**/
-size_t find_matching_brace(string const & s, size_t pos)
+static size_t find_matching_brace(string const & s, size_t pos)
{
LASSERT(s[pos] == '{', /* */);
int open_braces = 1;
return s.size();
}
-/// Within \regexp{} apply get_regex_escapes(), while outside apply get_lyx_unescapes().
-string escape_for_regex(string s)
+/// Within \regexp{} apply get_lyx_unescapes() only (i.e., preserve regexp semantics of the string),
+/// while outside apply get_lyx_unescapes()+get_regexp_escapes().
+/// If match_latex is true, then apply regexp_latex_escapes() to \regexp{} contents as well.
+string escape_for_regex(string s, bool match_latex)
{
size_t pos = 0;
while (pos < s.size()) {
new_pos = s.size();
LYXERR(Debug::FIND, "new_pos: " << new_pos);
string t = apply_escapes(s.substr(pos, new_pos - pos), get_lyx_unescapes());
- LYXERR(Debug::FIND, "t : " << t);
+ LYXERR(Debug::FIND, "t [lyx]: " << t);
t = apply_escapes(t, get_regexp_escapes());
- LYXERR(Debug::FIND, "t : " << t);
+ LYXERR(Debug::FIND, "t [rxp]: " << t);
s.replace(pos, new_pos - pos, t);
new_pos = pos + t.size();
LYXERR(Debug::FIND, "Regexp after escaping: " << s);
size_t end_pos = s.find("}}}", new_pos + 10); // find_matching_brace(s, new_pos + 7);
LYXERR(Debug::FIND, "end_pos: " << end_pos);
t = apply_escapes(s.substr(new_pos + 10, end_pos - (new_pos + 10)), get_lyx_unescapes());
+ if (match_latex)
+ t = apply_escapes(t, get_regexp_latex_escapes());
LYXERR(Debug::FIND, "t : " << t);
if (end_pos == s.size()) {
s.replace(new_pos, end_pos - new_pos, t);
}
}
if (open_pars != unmatched) {
- LYXERR(Debug::FIND, "Found " << open_pars
- << " instead of " << unmatched
- << " unmatched open braces at the end of count");
- return false;
+ LYXERR(Debug::FIND, "Found " << open_pars
+ << " instead of " << unmatched
+ << " unmatched open braces at the end of count");
+ return false;
}
LYXERR(Debug::FIND, "Braces match as expected");
return true;
lyx::regex regexp;
// same as regexp, but prefixed with a ".*"
lyx::regex regexp2;
+ // leading format material as string
+ string lead_as_string;
+ // par_as_string after removal of lead_as_string
+ string par_as_string_nolead;
// unmatched open braces in the search string/regexp
int open_braces;
// number of (.*?) subexpressions added at end of search regexp for closing
static size_t identifyLeading(string const & s) {
string t = s;
// @TODO Support \item[text]
- while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
+ while (regex_replace(t, t, "^\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
|| regex_replace(t, t, "^\\$", "")
|| regex_replace(t, t, "^\\\\\\[ ", "")
|| regex_replace(t, t, "^\\\\item ", "")
}
+// Remove trailing closure of math, macros and environments, so to catch parts of them.
+static int identifyClosing(string & t) {
+ int open_braces = 0;
+ do {
+ LYXERR(Debug::FIND, "identifyClosing(): t now is '" << t << "'");
+ if (regex_replace(t, t, "(.*[^\\\\])\\$\\'", "$1"))
+ continue;
+ if (regex_replace(t, t, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
+ continue;
+ if (regex_replace(t, t, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
+ continue;
+ if (regex_replace(t, t, "(.*[^\\\\])\\}\\'", "$1")) {
+ ++open_braces;
+ continue;
+ }
+ break;
+ } while (true);
+ return open_braces;
+}
+
+
MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt)
: p_buf(&buf), p_first_buf(&buf), opt(opt)
{
open_braces = 0;
close_wildcards = 0;
- use_regexp = !opt.ignoreformat || par_as_string.find("\\regexp") != std::string::npos;
+ use_regexp = par_as_string.find("\\regexp") != std::string::npos;
+
+ size_t lead_size = 0;
+ if (!opt.ignoreformat) {
+ lead_size = identifyLeading(par_as_string);
+ lead_as_string = par_as_string.substr(0, lead_size);
+ par_as_string_nolead = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
+ }
if (!use_regexp) {
- // Remove trailing closure of math, macros and environments, so to catch parts of them.
- do {
- LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
- if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\])\\$\\'", "$1"))
- continue;
- // @todo need to account for open square braces as well ?
- if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
- continue;
- if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
- continue;
- if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\])\\}\\'", "$1")) {
- ++open_braces;
- continue;
- }
- break;
- } while (true);
+ open_braces = identifyClosing(par_as_string);
+ identifyClosing(par_as_string_nolead);
LYXERR(Debug::FIND, "Open braces: " << open_braces);
LYXERR(Debug::FIND, "Built MatchStringAdv object: par_as_string = '" << par_as_string << "'");
} else {
- size_t lead_size = identifyLeading(par_as_string);
string lead_as_regexp;
if (lead_size > 0) {
- lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size));
- par_as_string = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
+ // @todo No need to search for \regexp{} insets in leading material
+ lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size), !opt.ignoreformat);
+ par_as_string = par_as_string_nolead;
LYXERR(Debug::FIND, "lead_as_regexp is '" << lead_as_regexp << "'");
LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
}
- par_as_string = escape_for_regex(par_as_string);
+ par_as_string = escape_for_regex(par_as_string, !opt.ignoreformat);
// Insert (.*?) before trailing closure of math, macros and environments, so to catch parts of them.
LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
if (
LYXERR(Debug::FIND, "Replaced text (to be used as regex): " << par_as_string);
// If entered regexp must match at begin of searched string buffer
string regexp_str = string("\\`") + lead_as_regexp + par_as_string;
- LYXERR(Debug::FIND, "Setting regexp to : " << regexp_str << endl);
+ LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
regexp = lyx::regex(regexp_str);
// If entered regexp may match wherever in searched string buffer
string regexp2_str = string("\\`.*") + lead_as_regexp + ".*" + par_as_string;
- LYXERR(Debug::FIND, "Setting regexp2 to: " << regexp2_str << endl);
+ LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
regexp2 = lyx::regex(regexp2_str);
}
}
LYXERR(Debug::FIND, "After normalization: '" << str << "'");
if (! use_regexp) {
LYXERR(Debug::FIND, "Searching in normal mode: par_as_string='" << par_as_string << "', str='" << str << "'");
+ LYXERR(Debug::FIND, "Searching in normal mode: lead_as_string='" << lead_as_string << "', par_as_string_nolead='" << par_as_string_nolead << "'");
if (at_begin) {
LYXERR(Debug::FIND, "size=" << par_as_string.size() << ", substr='" << str.substr(0, par_as_string.size()) << "'");
if (str.substr(0, par_as_string.size()) == par_as_string)
return par_as_string.size();
} else {
- string t = par_as_string;
- while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\{", "")
- || regex_replace(t, t, "^\\$", "")
- || regex_replace(t, t, "^\\\\\\[ ", ""))
- LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: " << t);
- size_t pos = str.find(t);
+ size_t pos = str.find(par_as_string_nolead);
if (pos != string::npos)
return par_as_string.size();
}
<< cur << ", from pos: " << cur.pos() << ", end: " << end);
return par.stringify(cur.pos(), end, AS_STR_INSETS, runparams);
} else if (cur.inMathed()) {
- odocstringstream os;
+ docstring s;
CursorSlice cs = cur.top();
MathData md = cs.cell();
MathData::const_iterator it_end =
( ( len == -1 || cs.pos() + len > int(md.size()) )
? md.end() : md.begin() + cs.pos() + len );
for (MathData::const_iterator it = md.begin() + cs.pos(); it != it_end; ++it)
- os << *it;
- return os.str();
+ s = s + asString(*it);
+ LYXERR(Debug::FIND, "Stringified math: '" << s << "'");
+ return s;
}
LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
return docstring();
MathData::const_iterator it_end = ( ( len == -1 || cs.pos() + len > int(md.size()) )
? md.end() : md.begin() + cs.pos() + len );
for (MathData::const_iterator it = md.begin() + cs.pos(); it != it_end; ++it)
- ods << *it;
+ ods << asString(*it);
// Retrieve the math environment type, and add '$' or '$]'
// or others (\end{equation}) accordingly
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