support for the LaTeX commands \x***arrow

- this patch supports the \x***arrow commands provided by the mathtool package - fileformat change
2024-12-22 13:18:28 +00:00 · 2014-08-25 00:44:09 +02:00 · 2014-08-25 00:44:09 +02:00 · 94a9c127e3
commit 94a9c127e3
parent 1e1c2ed1d1
8 changed files with 268 additions and 28 deletions
--- a/lib/lyx2lyx/LyX.py
+++ b/lib/lyx2lyx/LyX.py
@ -85,7 +85,7 @@ format_relation = [("0_06",    [200], minor_versions("0.6" , 4)),
                   ("1_6", range(277,346), minor_versions("1.6" , 10)),
                   ("2_0", range(346,414), minor_versions("2.0", 8)),
                   ("2_1", range(414,475), minor_versions("2.1", 0)),
-                   ("2_2", range(475,478), minor_versions("2.2", 0))
+                   ("2_2", range(475,479), minor_versions("2.2", 0))
                  ]

 ####################################################################
--- a/lib/lyx2lyx/lyx_2_2.py
+++ b/lib/lyx2lyx/lyx_2_2.py
@ -30,7 +30,7 @@ import sys, os
 #  find_token_backwards, is_in_inset, get_value, get_quoted_value, \
 #  del_token, check_token, get_option_value
  
-#from lyx2lyx_tools import add_to_preamble, insert_to_preamble, \
+from lyx2lyx_tools import add_to_preamble#, insert_to_preamble, \
 #  put_cmd_in_ert, lyx2latex, latex_length, revert_flex_inset, \
 #  revert_font_attrs, hex2ratio, str2bool

@ -292,11 +292,52 @@ def revert_swissgerman(document):
        j = j + 1


+def revert_use_package(document, pkg, commands, oldauto):
+    # oldauto defines how the version we are reverting to behaves:
+    # if it is true, the old version uses the package automatically.
+    # if it is false, the old version never uses the package.
+    regexp = re.compile(r'(\\use_package\s+%s)' % pkg)
+    i = find_re(document.header, regexp, 0)
+    value = "1" # default is auto
+    if i != -1:
+        value = get_value(document.header, "\\use_package" , i).split()[1]
+        del document.header[i]
+    if value == "2": # on
+        add_to_preamble(document, ["\\usepackage{" + pkg + "}"])
+    elif value == "1" and not oldauto: # auto
+        i = 0
+        while True:
+            i = find_token(document.body, '\\begin_inset Formula', i)
+            if i == -1:
+                return
+            j = find_end_of_inset(document.body, i)
+            if j == -1:
+                document.warning("Malformed LyX document: Can't find end of Formula inset at line " + str(i))
+                i += 1
+                continue
+            code = "\n".join(document.body[i:j])
+            for c in commands:
+                if code.find("\\%s" % c) != -1:
+                    add_to_preamble(document, ["\\usepackage{" + pkg + "}"])
+                    return
+            i = j
+
+
+mathtools_commands = ["xhookrightarrow", "xhookleftarrow", "xRightarrow", \
+                "xrightharpoondown", "xrightharpoonup", "xrightleftharpoons", \
+                "xLeftarrow", "xleftharpoondown", "xleftharpoonup", \
+                "xleftrightarrow", "xLeftrightarrow", "xleftrightharpoons", \
+                "xmapsto"]
+def revert_xarrow(document):
+    "remove use_package mathtools"
+    revert_use_package(document, "mathtools", mathtools_commands, False)
+
+  
 ##
 # Conversion hub
 #

-supported_versions = ["2.2.0","2.2"]
+supported_versions = ["2.2.0", "2.2"]
 convert = [
           [475, [convert_separator]],
           # nothing to do for 476: We consider it a bug that older versions
@ -304,9 +345,11 @@ convert = [
           # want to hardcode amsmath off.
           [476, []],
           [477, []],
+           [478, []]
          ]

 revert =  [
+           [477, [revert_xarrow]],
           [476, [revert_swissgerman]],
           [475, [revert_smash]],
           [474, [revert_separator]]
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@ -2127,8 +2127,21 @@ MathCompletionList::MathCompletionList(Cursor const & cur)
 	globals.push_back(from_ascii("\\framebox"));
 	globals.push_back(from_ascii("\\makebox"));
 	globals.push_back(from_ascii("\\kern"));
+	globals.push_back(from_ascii("\\xhookrightarrow"));
+	globals.push_back(from_ascii("\\xhookleftarrow"));
 	globals.push_back(from_ascii("\\xrightarrow"));
+	globals.push_back(from_ascii("\\xRightarrow"));
+	globals.push_back(from_ascii("\\xrightharpoondown"));
+	globals.push_back(from_ascii("\\xrightharpoonup"));
+	globals.push_back(from_ascii("\\xrightleftharpoons"));
 	globals.push_back(from_ascii("\\xleftarrow"));
+	globals.push_back(from_ascii("\\xLeftarrow"));
+	globals.push_back(from_ascii("\\xleftharpoondown"));
+	globals.push_back(from_ascii("\\xleftharpoonup"));
+	globals.push_back(from_ascii("\\xleftrightarrow"));
+	globals.push_back(from_ascii("\\xLeftrightarrow"));
+	globals.push_back(from_ascii("\\xleftrightharpoons"));
+	globals.push_back(from_ascii("\\xmapsto"));
 	globals.push_back(from_ascii("\\split"));
 	globals.push_back(from_ascii("\\gathered"));
 	globals.push_back(from_ascii("\\aligned"));
--- a/src/mathed/InsetMathXArrow.cpp
+++ b/src/mathed/InsetMathXArrow.cpp
@ -80,8 +80,38 @@ void InsetMathXArrow::normalize(NormalStream & os) const

 void InsetMathXArrow::mathmlize(MathStream & ms) const
 {
-	char const * const arrow = name_ == "xleftarrow" 
-			? "&larr;" : "&rarr;";
+	char const * arrow;
+	
+	if (name_ == "xleftarrow")
+		arrow = "&larr;";
+	else if (name_ == "xrightarrow")
+		arrow = "&rarr;";
+	else if (name_ == "xhookleftarrow")
+		arrow = "&larrhk;";
+	else if (name_ == "xhookrightarrow")
+		arrow = "&rarrhk;";
+	else if (name_ == "xLeftarrow")
+		arrow = "&lArr;";
+	else if (name_ == "xRightarrow")
+		arrow = "&rArr;";
+	else if (name_ == "xleftrightarrow")
+		arrow = "&leftrightarrow;";
+	else if (name_ == "xLeftrightarrow")
+		arrow = "&Leftrightarrow;";
+	else if (name_ == "xleftharpoondown")
+		arrow = "&leftharpoondown;";
+	else if (name_ == "xleftharpoonup")
+		arrow = "&leftharpoonup;";
+	else if (name_ == "xleftrightharpoons")
+		arrow = "&leftrightharpoons;";
+	else if (name_ == "xrightharpoondown")
+		arrow = "&rightharpoondown;";
+	else if (name_ == "xrightharpoonup")
+		arrow = "&rightharpoonup;";
+	else if (name_ == "xrightleftharpoons")
+		arrow = "&rightleftharpoons;";
+	else if (name_ == "xmapsto")
+		arrow = "&mapsto;";
 	ms << "<munderover accent='false' accentunder='false'>"
 	   << arrow << cell(1) << cell(0)
 	   << "</munderover>";
@ -90,8 +120,38 @@ void InsetMathXArrow::mathmlize(MathStream & ms) const

 void InsetMathXArrow::htmlize(HtmlStream & os) const
 {
-	char const * const arrow = name_ == "xleftarrow" 
-			? "&larr;" : "&rarr;";
+	char const * arrow;
+
+	if (name_ == "xleftarrow")
+		arrow = "&larr;";
+	else if (name_ == "xrightarrow")
+		arrow = "&rarr;";
+	else if (name_ == "xhookleftarrow")
+		arrow = "&larrhk;";
+	else if (name_ == "xhookrightarrow")
+		arrow = "&rarrhk;";
+	else if (name_ == "xLeftarrow")
+		arrow = "&lArr;";
+	else if (name_ == "xRightarrow")
+		arrow = "&rArr;";
+	else if (name_ == "xleftrightarrow")
+		arrow = "&leftrightarrow;";
+	else if (name_ == "xLeftrightarrow")
+		arrow = "&Leftrightarrow;";
+	else if (name_ == "xleftharpoondown")
+		arrow = "&leftharpoondown;";
+	else if (name_ == "xleftharpoonup")
+		arrow = "&leftharpoonup;";
+	else if (name_ == "xleftrightharpoons")
+		arrow = "&leftrightharpoons;";
+	else if (name_ == "xrightharpoondown")
+		arrow = "&rightharpoondown;";
+	else if (name_ == "xrightharpoonup")
+		arrow = "&rightharpoonup;";
+	else if (name_ == "xrightleftharpoons")
+		arrow = "&rightleftharpoons;";
+	else if (name_ == "xmapsto")
+		arrow = "&mapsto;";
 	os << MTag("span", "class='xarrow'")
 		 << MTag("span", "class='xatop'") << cell(0) << ETag("span")
 		 << MTag("span", "class='xabottom'") << arrow << ETag("span")
@ -101,7 +161,10 @@ void InsetMathXArrow::htmlize(HtmlStream & os) const

 void InsetMathXArrow::validate(LaTeXFeatures & features) const
 {
-	features.require("amsmath");
+	if (name_ == "xleftarrow" || name_ == "xrightarrow")
+		features.require("amsmath");
+	else
+		features.require("mathtools");
 	if (features.runparams().math_flavor == OutputParams::MathAsHTML)
 		// CSS adapted from eLyXer
 		features.addCSSSnippet(
--- a/src/mathed/MathFactory.cpp
+++ b/src/mathed/MathFactory.cpp
@ -466,7 +466,14 @@ MathAtom createInsetMath(docstring const & s, Buffer * buf)

 	if (s == "Diagram")
 		return MathAtom(new InsetMathDiagram(buf));
-	if (s == "xrightarrow" || s == "xleftarrow")
+	if (s == "xrightarrow" || s == "xleftarrow" ||
+		s == "xhookrightarrow" || s == "xhookleftarrow" ||
+		s == "xRightarrow" || s == "xLeftarrow" ||
+		s == "xleftrightarrow" || s == "xLeftrightarrow" ||
+		s == "xrightharpoondown" || s == "xrightharpoonup" ||
+		s == "xleftharpoondown" || s == "xleftharpoonup" ||
+		s == "xleftrightharpoons" || s == "xrightleftharpoons" ||
+		s == "xmapsto")
 		return MathAtom(new InsetMathXArrow(buf, s));
 	if (s == "split" || s == "alignedat")
 		return MathAtom(new InsetMathSplit(buf, s));
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@ -1492,6 +1492,18 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
 			parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
 		}

+		else if (t.cs() == "xhookrightarrow" || t.cs() == "xhookleftarrow" ||
+			     t.cs() == "xRightarrow" || t.cs() == "xLeftarrow" ||
+				 t.cs() == "xleftrightarrow" || t.cs() == "xLeftrightarrow" ||
+				 t.cs() == "xrightharpoondown" || t.cs() == "xrightharpoonup" ||
+				 t.cs() == "xleftharpoondown" || t.cs() == "xleftharpoonup" ||
+				 t.cs() == "xleftrightharpoons" || t.cs() == "xrightleftharpoons" ||
+				 t.cs() == "xmapsto") {
+			cell->push_back(createInsetMath(t.cs(), buf));
+			parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
+			parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
+		}
+
 		else if (t.cs() == "ref" || t.cs() == "eqref" || t.cs() == "prettyref"
 			  || t.cs() == "pageref" || t.cs() == "vpageref" || t.cs() == "vref") {
 			cell->push_back(MathAtom(new InsetMathRef(buf, t.cs())));
--- a/src/mathed/MathSupport.cpp
+++ b/src/mathed/MathSupport.cpp
@ -113,6 +113,95 @@ double const brace[] = {
 };


+double const mapsto[] = {
+	2, 3,
+	0.75, 0.015, 0.95, 0.5, 0.75, 0.985,
+	1, 0.015, 0.475, 0.945, 0.475,
+	1, 0.015, 0.015, 0.015, 0.985,
+	0
+};
+
+
+double const lhook[] = {
+	2, 3,
+	0.25, 0.015, 0.05, 0.5, 0.25, 0.985,
+	1, 0.015, 0.475, 0.7, 0.475,
+	2, 5,
+	0.7, 0.015, 0.825, 0.15, 0.985, 0.25,
+	0.825, 0.35, 0.7, 0.475,
+	0
+};
+
+
+double const rhook[] = {
+	2, 3,
+	0.75, 0.015, 0.95, 0.5, 0.75, 0.985,
+	1, 0.3, 0.475, 0.985, 0.475,
+	2, 5,
+	0.3, 0.015, 0.175, 0.15, 0.05, 0.25,
+	0.175, 0.35, 0.3, 0.475,
+	0
+};
+
+
+double const LRArrow[] = {
+	2, 3,
+	0.25, 0.015, 0.05, 0.5, 0.25, 0.985,
+	2, 3,
+	0.75, 0.015, 0.95, 0.5, 0.75, 0.985,
+	1, 0.2, 0.8, 0.8, 0.8,
+	1, 0.2, 0.2, 0.8, 0.2,
+	0
+};
+
+
+double const LArrow[] = {
+	2, 3,
+	0.25, 0.015, 0.05, 0.5, 0.25, 0.985,
+	1, 0.2, 0.8, 0.985, 0.8,
+	1, 0.2, 0.2, 0.985, 0.2,
+	0
+};
+
+
+double const lharpoondown[] = {
+	2, 2,
+	0.015, 0.5, 0.25, 0.985,
+	1, 0.02, 0.475, 0.985, 0.475,
+	0
+};
+
+
+double const lharpoonup[] = {
+	2, 2,
+	0.25, 0.015, 0.015, 0.5,
+	1, 0.02, 0.525, 0.985, 0.525,
+	0
+};
+
+
+double const lrharpoons[] = {
+	2, 2,
+	0.25, 0.015, 0.015, 0.225,
+	1, 0.02, 0.23, 0.985, 0.23,
+	2, 2,
+	0.75, 0.985, 0.985, 0.775,
+	1, 0.02, 0.7, 0.980, 0.7,
+	0
+};
+
+
+double const rlharpoons[] = {
+	2, 2,
+	0.75, 0.015, 0.985, 0.225,
+	1, 0.02, 0.23, 0.985, 0.23,
+	2, 2,
+	0.25, 0.985, 0.015, 0.775,
+	1, 0.02, 0.7, 0.980, 0.7,
+	0
+};
+
+
 double const arrow[] = {
 	4, 7,
 	0.0150, 0.7500, 0.2000, 0.6000, 0.3500, 0.3500,
@ -283,23 +372,36 @@ struct named_deco_struct {

 named_deco_struct deco_table[] = {
 	// Decorations
-	{"widehat",             angle,    3 },
-	{"widetilde",           tilde,    0 },
-	{"underbar",            hline,    0 },
-	{"underline",           hline,    0 },
-	{"overline",            hline,    0 },
-	{"underbrace",          brace,    1 },
-	{"overbrace",           brace,    3 },
-	{"overleftarrow",       arrow,    1 },
-	{"overrightarrow",      arrow,    3 },
-	{"overleftrightarrow",  udarrow,  1 },
-	{"xleftarrow",          arrow,    1 },
-	{"xrightarrow",         arrow,    3 },
-	{"underleftarrow",      arrow,    1 },
-	{"underrightarrow",     arrow,    3 },
-	{"underleftrightarrow", udarrow,  1 },
-	{"undertilde",          tilde,    0 },
-	{"utilde",              tilde,    0 },
+	{"widehat",             angle,        3 },
+	{"widetilde",           tilde,        0 },
+	{"underbar",            hline,        0 },
+	{"underline",           hline,        0 },
+	{"overline",            hline,        0 },
+	{"underbrace",          brace,        1 },
+	{"overbrace",           brace,        3 },
+	{"overleftarrow",       arrow,        1 },
+	{"overrightarrow",      arrow,        3 },
+	{"overleftrightarrow",  udarrow,      1 },
+	{"xhookleftarrow",      lhook,        0 },
+	{"xhookrightarrow",     rhook,        0 },
+	{"xleftarrow",          arrow,        1 },
+	{"xLeftarrow",          LArrow,       0 },
+	{"xleftharpoondown",    lharpoondown, 0 },
+	{"xleftharpoonup",      lharpoonup,   0 },
+	{"xleftrightharpoons",  lrharpoons,   0 },
+	{"xleftrightarrow",     udarrow,      1 },
+	{"xLeftrightarrow",     LRArrow,      0 },
+	{"xmapsto",             mapsto,       0 },
+	{"xrightarrow",         arrow,        3 },
+	{"xRightarrow",         LArrow,       2 },
+	{"xrightharpoondown",   lharpoonup,   2 },
+	{"xrightharpoonup",     lharpoondown, 2 },
+	{"xrightleftharpoons",  rlharpoons,   0 },
+	{"underleftarrow",      arrow,        1 },
+	{"underrightarrow",     arrow,        3 },
+	{"underleftrightarrow", udarrow,      1 },
+	{"undertilde",          tilde,        0 },
+	{"utilde",              tilde,        0 },

 	// Delimiters
 	{"(",              parenth,    0 },
--- a/src/version.h
+++ b/src/version.h
@ -30,8 +30,8 @@ extern char const * const lyx_version_info;

 // Do not remove the comment below, so we get merge conflict in
 // independent branches. Instead add your own.
-#define LYX_FORMAT_LYX 477 // spitz: support for swissgerman
-#define LYX_FORMAT_TEX2LYX 477
+#define LYX_FORMAT_LYX 478 // uwestoehr: mathtools' x***arrow commands
+#define LYX_FORMAT_TEX2LYX 478

 #if LYX_FORMAT_TEX2LYX != LYX_FORMAT_LYX
 #ifndef _MSC_VER