mtext_get_property(3m17n) The m17n Library mtext_get_property(3m17n)NAME
mtext_get_property - Get the topmost text property.
SYNOPSIS
MTextProperty* mtext_get_property (MText * mt, int pos, MSymbol key)
DESCRIPTION
Get the topmost text property. The mtext_get_property() function searches the character at position pos in M-text mt for a text property
whose key is key.
RETURN VALUE
If a text property is found, mtext_get_property() returns it. If there are multiple text properties, it returns the topmost one. If no
such property is found, it returns NULL without changing the external variable merror_code.
If an error is detected, mtext_get_property() returns NULL and assigns an error code to the external variable merror_code.
COPYRIGHT
Copyright (C) 2001 Information-technology Promotion Agency (IPA)
Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
<http://www.gnu.org/licenses/fdl.html>.
Version 1.6.2 12 Jan 2011 mtext_get_property(3m17n)
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mtext_prop_range(3m17n) The m17n Library mtext_prop_range(3m17n)NAME
mtext_prop_range - Find the range where the value of a text property is the same.
SYNOPSIS
int mtext_prop_range (MText * mt, MSymbol key, int pos, int * from, int * to, int deeper)
DESCRIPTION
Find the range where the value of a text property is the same. The mtext_prop_range() function investigates the extent where all characters
have the same value for a text property. It first finds the value of the property specified by key of the character at pos in M-text mt.
Then it checks if adjacent characters have the same value for the property key. The beginning and the end of the found range are stored to
the variable pointed to by from and to. The character position stored in from is inclusive but that in to is exclusive; this fashion is
compatible with the range specification in the mtext_put_prop() function, etc.
If deeper is not 0, not only the topmost but also all the stacked properties whose key is key are compared.
If from is NULL, the beginning of range is not searched for. If to is NULL, the end of range is not searched for.
RETURN VALUE
If the operation was successful, mtext_prop_range() returns the number of values the property key has at pos. Otherwise it returns -1 and
assigns an error code to the external variable merror_code.
ERRORS
MERROR_RANGE, MERROR_SYMBOL
SEE ALSO
mtext_put_prop(), mtext_put_prop_values(), mtext_get_prop(), mtext_get_prop_values(), mtext_pop_prop(), mtext_push_prop()
COPYRIGHT
Copyright (C) 2001 Information-technology Promotion Agency (IPA)
Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
<http://www.gnu.org/licenses/fdl.html>.
Version 1.6.2 12 Jan 2011 mtext_prop_range(3m17n)
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