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authorrandomdan <randomdan@localhost>2011-10-15 01:40:24 +0000
committerrandomdan <randomdan@localhost>2011-10-15 01:40:24 +0000
commit4223db35df5400187e9d640e204df669dbcc655c (patch)
treefd9652f163de3e8e217484cc6ae45a8cb18de09a
parentAllow view/columns to be (functional) variables (diff)
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Add some functional variables for date handling and string manipulation
-rw-r--r--project2/common/Jamfile.jam1
-rw-r--r--project2/common/functions/dates.cpp95
-rw-r--r--project2/common/functions/strings.cpp29
3 files changed, 125 insertions, 0 deletions
diff --git a/project2/common/Jamfile.jam b/project2/common/Jamfile.jam
index 517be8e..9f8f012 100644
--- a/project2/common/Jamfile.jam
+++ b/project2/common/Jamfile.jam
@@ -25,6 +25,7 @@ lib p2common :
variables-modparam.cpp
variables-modsession.cpp
variables-moduri.cpp
+ [ glob functions/*.cpp ]
../../libmisc/buffer.cpp
../../libmisc/misc.cpp
:
diff --git a/project2/common/functions/dates.cpp b/project2/common/functions/dates.cpp
new file mode 100644
index 0000000..da169cf
--- /dev/null
+++ b/project2/common/functions/dates.cpp
@@ -0,0 +1,95 @@
+#include <pch.hpp>
+#include "../variables.h"
+#include "../xmlObjectLoader.h"
+#include "../xmlStorage.h"
+#include "../logger.h"
+#include <locale>
+#include <iostream>
+#include <boost/date_time.hpp>
+
+class ParseError { };
+/// Variable implementation to access platform configuration values
+class ParseDate : public VariableImplDyn {
+ public:
+ ParseDate(const xmlpp::Element * e) :
+ VariableImplDyn(e),
+ string(e, "string"),
+ format(e, "format")
+ {
+ }
+ VariableType value() const
+ {
+ const char * s = string();
+ const char * f = format();
+ boost::posix_time::ptime t;
+ struct tm tm;
+ memset(&tm, 0, sizeof(struct tm));
+ mktime(&tm);
+ const char * e = strptime(s, f, &tm);
+ if (!e) {
+ Logger()->messagef(LOG_ERR, "%s: check failed (parse) for '%s' against '%s' (remaining chars='%s')",
+ __PRETTY_FUNCTION__, s, f, e);
+ throw ParseError();
+ }
+ return boost::posix_time::ptime(boost::posix_time::ptime_from_tm(tm));
+ }
+ private:
+ Variable string;
+ Variable format;
+};
+DECLARE_COMPONENT_LOADER("parsedate", ParseDate, VariableLoader);
+
+class FormatDate : public VariableImplDyn {
+ public:
+ FormatDate(const xmlpp::Element * e) :
+ VariableImplDyn(e),
+ date(e, "date"),
+ format(e, "format")
+ {
+ }
+ VariableType value() const
+ {
+ std::stringstream ss;
+ boost::date_time::time_facet<boost::posix_time::ptime, char> * ft = new boost::date_time::time_facet<boost::posix_time::ptime, char>();
+ ss.imbue(std::locale(ss.getloc(), ft));
+ ft->format(format());
+ ss << boost::get<boost::posix_time::ptime>(date());
+ return ss.str();
+ }
+ private:
+ Variable date;
+ Variable format;
+};
+DECLARE_COMPONENT_LOADER("formatdate", FormatDate, VariableLoader);
+
+class AdjustDate : public VariableImplDyn {
+ public:
+ AdjustDate(const xmlpp::Element * e) :
+ VariableImplDyn(e),
+ date(e, "date"),
+ offset(e, "offset")
+ {
+ }
+ VariableType value() const
+ {
+ return boost::get<boost::posix_time::ptime>(date()) + boost::posix_time::duration_from_string(offset());
+ }
+ private:
+ Variable date;
+ Variable offset;
+};
+DECLARE_COMPONENT_LOADER("adjustdate", AdjustDate, VariableLoader);
+
+class CurrentDate : public VariableImplDyn {
+ public:
+ CurrentDate(const xmlpp::Element * e) :
+ VariableImplDyn(e)
+ {
+ }
+ VariableType value() const
+ {
+ return boost::posix_time::microsec_clock::universal_time();
+ }
+};
+DECLARE_COMPONENT_LOADER("currentdate", CurrentDate, VariableLoader);
+
diff --git a/project2/common/functions/strings.cpp b/project2/common/functions/strings.cpp
new file mode 100644
index 0000000..1272c6c
--- /dev/null
+++ b/project2/common/functions/strings.cpp
@@ -0,0 +1,29 @@
+#include <pch.hpp>
+#include "../variables.h"
+#include "../xmlObjectLoader.h"
+#include "../xmlStorage.h"
+
+/// Variable implementation to access platform configuration values
+class Trim : public VariableImplDyn {
+ public:
+ Trim(const xmlpp::Element * e) :
+ VariableImplDyn(e),
+ string(e, "string")
+ {
+ }
+ VariableType value() const
+ {
+ Glib::ustring str = string();
+ Glib::ustring::const_iterator b = str.begin();
+ while (Glib::Unicode::isspace(*b)) b++;
+ Glib::ustring::const_iterator e = str.end();
+ while (Glib::Unicode::isspace(*--e)) ;
+ e++;
+ return Glib::ustring(b, e);
+ }
+ private:
+ Variable string;
+};
+DECLARE_COMPONENT_LOADER("trim", Trim, VariableLoader);
+
+