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-% --------------------------------------------------------------------------
-%
-% the CHEMMACROS package -- module: `charges'
-%
-% --------------------------------------------------------------------------
-% Clemens Niederberger
-% --------------------------------------------------------------------------
-% https://github.org/cgnieder/chemmacros/
-% contact@mychemistry.eu
-% --------------------------------------------------------------------------
-% If you have any ideas, questions, suggestions or bugs to report, please
-% feel free to contact me.
-% --------------------------------------------------------------------------
-% Copyright 2011--2020 Clemens Niederberger
-%
-% This work may be distributed and/or modified under the
-% conditions of the LaTeX Project Public License, either version 1.3c
-% of this license or (at your option) any later version.
-% The latest version of this license is in
-% http://www.latex-project.org/lppl.txt
-% and version 1.3 or later is part of all distributions of LaTeX
-% version 2008/05/04 or later.
-%
-% This work has the LPPL maintenance status `maintained'.
-%
-% The Current Maintainer of this work is Clemens Niederberger.
-% --------------------------------------------------------------------------
-\ChemModule{charges}{2015/07/30 charges}
-
-\chemmacros_load_module:n {chemformula}
-
-% --------------------------------------------------------------------------
-% circled charge signs: they are defined in the `chemformula' package:
-% use directly:
-\cs_new_protected:Npn \fplus { { \chemformula_fplus: } }
-\cs_new_protected:Npn \fminus { { \chemformula_fminus: } }
-
-% change output depending on circled-option
-\bool_new:N \l__chemmacros_circled_bool
-\bool_set_true:N \l__chemmacros_circled_bool
-\bool_new:N \l__chemmacros_circled_formal_bool
-\bool_set_true:N \l__chemmacros_circled_formal_bool
-\bool_new:N \l__chemmacros_circled_chem_bool
-\bool_set_true:N \l__chemmacros_circled_chem_bool
-
-
-\chemmacros_define_keys:nn {charges}
- {
- circletype .choice: ,
- circletype / math .code:n =
- {
- \bool_set_false:N \l__chemmacros_circled_chem_bool
- \chemmacros_if_package_loaded:nT {chemformula}
- { \bool_set_false:N \l_chemformula_formal_chem_bool }
- } ,
- circletype / chem .code:n =
- {
- \bool_set_true:N \l__chemmacros_circled_chem_bool
- \chemmacros_if_package_loaded:nT {chemformula}
- { \bool_set_true:N \l_chemformula_formal_chem_bool }
- } ,
- circletype .value_required:n = true ,
- circled .choice: ,
- circled / none .code:n =
- {
- \bool_set_false:N \l__chemmacros_circled_bool
- \bool_set_false:N \l__chemmacros_circled_formal_bool
- \chemmacros_if_package_loaded:nT {chemformula}
- { \bool_set_false:N \l_chemformula_formal_charges_bool }
- } ,
- circled / formal .code:n =
- {
- \bool_set_true:N \l__chemmacros_circled_bool
- \bool_set_true:N \l__chemmacros_circled_formal_bool
- \chemmacros_if_package_loaded:nT {chemformula}
- { \bool_set_false:N \l_chemformula_formal_charges_bool }
- } ,
- circled / all .code:n =
- {
- \bool_set_true:N \l__chemmacros_circled_bool
- \bool_set_false:N \l__chemmacros_circled_formal_bool
- \chemmacros_if_package_loaded:nT {chemformula}
- { \bool_set_true:N \l_chemformula_formal_charges_bool }
- } ,
- circled .default:n = all
- }
-
-\cs_new_protected:Npn \chemmacros_plus: { \chemformula_plus: }
-\cs_new_protected:Npn \chemmacros_minus: { \chemformula_minus: }
-
-\cs_new_protected:Npn \chemmacros_formal_plus: { \chemformula_formal_plus: }
-\cs_new_protected:Npn \chemmacros_formal_minus: { \chemformula_formal_minus: }
-
-\cs_new_protected:Npn \chemmacros_charge:n #1
- { \chemmacros_chemformula:n { {}^{#1} } }
-
-\cs_new_protected:Npn \chemmacros_new_charge_command:Nn #1#2
- {
- \DeclareDocumentCommand #1 {o}
- {
- \IfNoValueTF {##1}
- { \chemmacros_charge:n {#2} }
- { \chemmacros_charge:n {##1#2} }
- }
- }
-
-\tl_new:N \l__chemmacros_partial_charge_format_tl
-\tl_set:Nn \l__chemmacros_partial_charge_format_tl { \tiny }
-
-\cs_new_protected:Npn \chemmacros_new_partial_charge_command:Nn #1#2
- {
- \cs_new_protected:Npn #1
- {
- \mbox {
- \l__chemmacros_partial_charge_format_tl
- \c_math_toggle_token \delta #2 \c_math_toggle_token
- }
- }
- }
-
-\NewChemMacroset {Charge} {mm}
- { \chemmacros_new_charge_command:Nn #1 {#2} }
-
-\NewChemMacroset {PartialCharge} {mm}
- { \chemmacros_new_partial_charge_command:Nn #1 {#2} }
-
-\cs_new_protected:Npn \scrm
- { \ensuremath { \scriptstyle \chemmacros_minus: } }
-\cs_new_protected:Npn \scrp
- { \ensuremath { \scriptstyle \chemmacros_plus: } }
-\cs_new_protected:Npn \fscrm
- { \ensuremath { \scriptstyle \chemmacros_formal_minus: } }
-\cs_new_protected:Npn \fscrp
- { \ensuremath { \scriptstyle \chemmacros_formal_plus: } }
-\cs_new_protected:Npn \fsscrm
- { \ensuremath { \scriptscriptstyle \chemmacros_formal_minus: } }
-\cs_new_protected:Npn \fsscrp
- { \ensuremath { \scriptscriptstyle \chemmacros_formal_plus: } }
-
-\chemmacros_define_keys:nn {charges}
- {
- partial-format .tl_set:N = \l__chemmacros_partial_charge_format_tl
- }
-
-% --------------------------------------------------------------------------
-\NewChemCharge \mch { \chemmacros_minus: }
-\NewChemCharge \pch { \chemmacros_plus: }
-\NewChemCharge \fmch { \chemmacros_formal_minus: }
-\NewChemCharge \fpch { \chemmacros_formal_plus: }
-
-% partial charges:
-\NewChemPartialCharge \delm { \chemmacros_minus: }
-\NewChemPartialCharge \delp { \chemmacros_plus: }
-\NewChemPartialCharge \fdelm { \chemmacros_formal_minus: }
-\NewChemPartialCharge \fdelp { \chemmacros_formal_plus: }
-
-% --------------------------------------------------------------------------