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Commit Graph

Author	SHA1	Message	Date
Junio C Hamano	8a3f524bf2	xdiff-interface: hide the whole "xdiff_emit_state" business from the caller This further enhances xdi_diff_outf() interface so that it takes two common parameters: the callback function that processes one line at a time, and a pointer to its application specific callback data structure. xdi_diff_outf() creates its own "xdiff_emit_state" structure and stashes these two away inside it, which is used by the lowest level output function in the xdiff_outf() callchain, consume_one(), to call back to the application layer. With this restructuring, we lift the requirement that the caller supplied callback data structure embeds xdiff_emit_state structure as its first member. Signed-off-by: Junio C Hamano <gitster@pobox.com>	16 years ago
Brian Downing	b463776086	Use strbuf for struct xdiff_emit_state's remainder Continually xreallocing and freeing the remainder member of struct xdiff_emit_state was a noticeable performance hit. Use a strbuf instead. This yields a decent performance improvement on "git blame" on certain repositories. For example, before this commit: $ time git blame -M -C -C -p --incremental server.c >/dev/null 101.52user 0.17system 1:41.73elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+39561minor)pagefaults 0swaps With this commit: $ time git blame -M -C -C -p --incremental server.c >/dev/null 80.38user 0.30system 1:20.81elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+50979minor)pagefaults 0swaps Signed-off-by: Brian Downing <bdowning@lavos.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	16 years ago
Brian Downing	c99db9d292	Make xdi_diff_outf interface for running xdiff_outf diffs To prepare for the need to initialize and release resources for an xdi_diff with the xdiff_outf output function, make a new function to wrap this usage. Old: ecb.outf = xdiff_outf; ecb.priv = &state; ... xdi_diff(file_p, file_o, &xpp, &xecfg, &ecb); New: xdi_diff_outf(file_p, file_o, &state.xm, &xpp, &xecfg, &ecb); Signed-off-by: Brian Downing <bdowning@lavos.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	16 years ago
Junio C Hamano	c279d7e986	xdl_diff: identify call sites. This inserts a new function xdi_diff() that currently does not do anything other than calling the underlying xdl_diff() to the callchain of current callers of xdl_diff() function. Signed-off-by: Junio C Hamano <gitster@pobox.com>	17 years ago
Junio C Hamano	f258475a6e	Per-path attribute based hunk header selection. This makes"diff -p" hunk headers customizable via gitattributes mechanism. It is based on Johannes's earlier patch that allowed to define a single regexp to be used for everything. The mechanism to arrive at the regexp that is used to define hunk header is the same as other use of gitattributes. You assign an attribute, funcname (because "diff -p" typically uses the name of the function the patch is about as the hunk header), a simple string value. This can be one of the names of built-in pattern (currently, "java" is defined) or a custom pattern name, to be looked up from the configuration file. (in .gitattributes) .java funcname=java .perl funcname=perl (in .git/config) [funcname] java = ... # ugly and complicated regexp to override the built-in one. perl = ... # another ugly and complicated regexp to define a new one. Signed-off-by: Junio C Hamano <gitster@pobox.com>	18 years ago
Johannes Schindelin	634cd48a8a	Move buffer_is_binary() to xdiff-interface.h We already have two instances where we want to determine if a buffer contains binary data as opposed to text. [jc: cherry-picked `6bfce93e` from 'master'] Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	18 years ago
Johannes Schindelin	6bfce93e04	Move buffer_is_binary() to xdiff-interface.h We already have two instances where we want to determine if a buffer contains binary data as opposed to text. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	18 years ago
Johannes Schindelin	7cab5883ff	move read_mmfile() into xdiff-interface read_file() was a useful function if you want to work with the xdiff stuff, so it was renamed and put into a more central place. Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>	18 years ago
Junio C Hamano	a0fd31463b	Match ofs/cnt types in diff interface. Signed-off-by: Junio C Hamano <junkio@cox.net>	19 years ago
Junio C Hamano	c1e335a43f	combine-diff: move the code to parse hunk-header into common library. Signed-off-by: Junio C Hamano <junkio@cox.net>	19 years ago
Junio C Hamano	d9ea73e056	combine-diff: refactor built-in xdiff interface. This refactors the line-by-line callback mechanism used in combine-diff so that other programs can reuse it more easily. Signed-off-by: Junio C Hamano <junkio@cox.net>	19 years ago

10 Commits (5033639c951da27fc4d4becbc3e46dc05096ce63)