97 lines
3.0 KiB
Diff
97 lines
3.0 KiB
Diff
From 15c71e2588058f20169440c0add955a527144c7a Mon Sep 17 00:00:00 2001
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From: Michal Vyskocil <mvyskocil@suse.cz>
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Date: Mon, 26 Sep 2011 13:23:56 +0200
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Subject: [PATCH] locale support in papersize definition
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The papersize definition in groff_font(5) has been extended by new
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keyword "locale". In this mode groff determine the paper size from
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LC_PAPER variable.
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The algorithm is simple - there is a small static list of countries
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using letter based on territory language information page [1] (CLDR
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2.0). If the LC_PAPER contains the country code (for instance _CL -
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Chile), letter dimmensions are used. Otherwise a4.
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[1] http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/territory_language_information.html
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[2] http://wiki.services.openoffice.org/wiki/DefaultPaperSize
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---
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src/include/paper.h | 4 ++--
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src/libs/libgroff/paper.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 44 insertions(+), 2 deletions(-)
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diff --git a/src/include/paper.h b/src/include/paper.h
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index 73e070c..f5a8039 100644
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--- a/src/include/paper.h
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+++ b/src/include/paper.h
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@@ -30,7 +30,7 @@ public:
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papersize_init();
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} _papersize_init;
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-// A0-A7, B0-B7, C0-C7, D0-D7, 8 American paper sizes, 1 special size */
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-#define NUM_PAPERSIZES 4*8 + 8 + 1
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+// A0-A7, B0-B7, C0-C7, D0-D7, 8 American paper sizes, 1 special size and the locale */
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+#define NUM_PAPERSIZES 4*8 + 8 + 1 + 1
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extern paper papersizes[];
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diff --git a/src/libs/libgroff/paper.cpp b/src/libs/libgroff/paper.cpp
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index 27a7c8c..42dea69 100644
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--- a/src/libs/libgroff/paper.cpp
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+++ b/src/libs/libgroff/paper.cpp
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@@ -58,6 +58,46 @@ static void add_american_paper(const char *name, int idx,
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papersizes[idx].width = width;
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}
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+static int is_letter(const char* variable) {
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+
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+ // CLDR 1.8.1 http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/territory_la
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+ // http://wiki.services.openoffice.org/wiki/DefaultPaperSize
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+ #define COUNTRIES 13
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+ static const char* countries[COUNTRIES] = {
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+ "_BZ", "_CA", "CL", "CO", "CR", "GT", "MX", "NI", "PA", "PH", "PR", "SV", "US",
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+ };
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+
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+ if (! variable) {
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+ return 0;
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+ }
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+
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+ for (int i = 0; i != COUNTRIES; i++) {
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+ if (strstr(variable, countries[i])) {
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+ return 1;
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+ }
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+ }
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+
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+ return 0;
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+}
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+
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+static void add_locale_paper(int idx) {
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+ char * lc_paper;
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+ double l = 297/25.4;
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+ double w = 210/25.4;
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+
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+ //XXX: setlocale(LC_PAPER, NULL) does not work
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+ // at least on glibc 2.14
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+ lc_paper = setlocale(LC_PAPER, "");
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+
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+ if (is_letter(lc_paper)) {
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+ l = 11;
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+ w = 8.5;
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+ }
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+
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+ add_american_paper("locale", idx, l, w);
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+
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+}
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+
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int papersize_init::initialised = 0;
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papersize_init::papersize_init()
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@@ -80,4 +120,6 @@ papersize_init::papersize_init()
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add_american_paper("monarch", 39, 7.5, 3.875);
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// this is an ISO format, but it easier to use add_american_paper
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add_american_paper("dl", 40, 220/25.4, 110/25.4);
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+ // the format from locale
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+ add_locale_paper(41);
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}
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--
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1.7.6.3
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