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author | André Aparício <aparicio99@gmail.com> | 2012-07-21 02:52:35 +0100 |
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committer | Petteri Räty <petsku@petteriraty.eu> | 2012-08-19 17:52:07 +0300 |
commit | b2f509d72462bbf3dcd89d0164e435556980e3ba (patch) | |
tree | d1c06a11be6b391cada86c2251ab26d3cdfc4d5d /src | |
parent | Merge remote-tracking branch 'aparicio/multiline_string_declaration' (diff) | |
download | libbash-b2f509d72462bbf3dcd89d0164e435556980e3ba.tar.gz libbash-b2f509d72462bbf3dcd89d0164e435556980e3ba.tar.bz2 libbash-b2f509d72462bbf3dcd89d0164e435556980e3ba.zip |
Walker: Support string operations on arrays
When a variable expansion applies some string operation like replace on
the whole array, apply the operation to every element in the array.
Diffstat (limited to 'src')
-rw-r--r-- | src/core/interpreter.cpp | 10 | ||||
-rw-r--r-- | src/core/interpreter.h | 9 |
2 files changed, 18 insertions, 1 deletions
diff --git a/src/core/interpreter.cpp b/src/core/interpreter.cpp index 1b8ef0a..274d01d 100644 --- a/src/core/interpreter.cpp +++ b/src/core/interpreter.cpp @@ -244,6 +244,16 @@ std::string interpreter::do_replace_expansion(const std::string& name, return value; } +std::string interpreter::do_array_replace_expansion(const std::string& name, + std::function<void(std::string&)> replacer) const +{ + std::vector<std::string> array; + resolve_array<std::string>(name, array); + for(auto i = array.begin(); i != array.end(); ++i) + replacer(*i); + return boost::algorithm::join(array, resolve<std::string>("IFS").substr(0, 1)); +} + std::string::size_type interpreter::get_length(const std::string& name, const unsigned index) const { diff --git a/src/core/interpreter.h b/src/core/interpreter.h index 3c6dde6..0feadef 100644 --- a/src/core/interpreter.h +++ b/src/core/interpreter.h @@ -514,7 +514,7 @@ public: int length) const; /// \brief perform replacement expansion - /// \param name the name of the varaible that needs to be expanded + /// \param name the name of the variable that needs to be expanded /// \param replacer the function object used to perform expansion /// \param index array index, use index=0 if it's not an array /// \return the expanded value @@ -522,6 +522,13 @@ public: std::function<void(std::string&)> replacer, const unsigned index) const; + /// \brief perform array replacement expansion + /// \param name the name of the array that needs to be expanded + /// \param replacer the function object used to perform expansion + /// \return the expanded value + std::string do_array_replace_expansion(const std::string& name, + std::function<void(std::string&)> replacer) const; + /// \brief get the length of a string variable /// \param name the name of the variable /// \param index the index of the variable |